Thursday, December 26, 2013

Vacation Homework...

Dear Chem students, hope you're having an awesome vacation. Word of "warning"- there is homework to complete before we get back to class on Jan. 13th. Textbook reading, Chapter 9.1-9.5, including the self-checks. As you do each section, answer the ALL the chapter QUESTIONS and work out only the BLUE chapter PROBLEMS on pages 281-284 (answers to the blues are in the back of the book, so check as you go). It's math-work, so dig in and "just do it." I'll try to post some video tutorials as I find them.
Those of you who don't much like math, persevere, because someday, maybe, there will be this "Aha" moment, when the mental skills and the resulting character development will lead to insights and opportunities that might never have been given except that you had "applied yourself to wisdom" in this way, at this time. "Count it all joy..." may possibly require math.
For what you need to review the mole & molar mass ,here is Hank:
You may remember Eric's demonstration experiment, with the strips of aluminum foil dropped in the hydrochloric acid, which formed bubbles and caused the aluminum to "disappear".  It was actually a single displacement reaction,
  2 Al + 6 HCl ---> 2 AlCl3 + 3 H2 
Eric used a little bit of aluminum, but a lot of acid.  Aluminum got "used up" but there was plenty of acid left over.
Afterwards, to neutralize the acid, Kathy poured baking soda into the bottle, causing a lot of bubbles,  repeating  this process many times till finally the acid was completely neutralized.  This concept of LIMITING REACTANTS is what we begin to discuss in Chapter 9, so for an overview, here's Mr. Anderson to explain:

Now work in your textbooks, as described above, to complete your understanding.  I expect this could take a few hours. 
When (not if) you get stuck, post your questions in the comments and as a group we can try to answer.
  

Monday, December 16, 2013

Finally...the test.

Here's the test:  Chemistry fall  final exam  It's 5 pages long, so get started!  NO EXCUSES, especially on Thursday; if you have a problem printing, work it out or call me immediately.  NO LATE TESTS.  You will be rewarded with a wonderful Christmas break.  You may use a periodic table until you are asked not to on page 4.
By the way, thanks so much for your efforts with the chemical reaction demonstrations.  I thought they were pretty exciting and worthwhile, beyond my expectations, and enjoyable.

Friday, December 13, 2013

On Monday we will complete our demonstrations. Please use the break time to prepare, since class will be a little shorter (Mr. DeLeo needs a little extra time--I guess you are doing plays??)  I will send home a take-at-home test, due on Thursday.

Homework is the worksheets10-2 Molar Mass - prime numbers only, and 10-3 Mole conversion, just the odds [insert movie references here].  This worksheet includes converting moles of gas; you can probably  figure that out on your own but we will not have those kinds of problems on the test. Worksheets and Answers  (just a note: a lot of these problems have to do with the moles of a gas, which we haven't really discussed.  Enough to say, all gases take up the same amount of space at room temperature and sea level (standard temperature and pressure - STP)  and therefore 1 mole of any gas = 22.4 liters/mole) which fills about 6 balloons.

Review vocabulary, elements, periodic table, naming ionic compounds, balancing equations, types of reactions.

Also, Jacqueline, Anthony, Abel, and Brina are up for demonstration experiments on Monday.  Let me know what you might need, asap.  Simple is just fine.

Tuesday, December 10, 2013

Fireworks! At Last! (do watch this at home...)

Yikes! Brittany took my car, and all my science books!  Homework is late! In the meantime, complete the combustion worksheet from class, as well as the two pages right before it, having to do with balancing and classifying equations. -- I definitely did not make myself clear, sorry! Do 10-5 (combustion) and 10-1, 10-2.  If you have already done 10-3 and 10-4, great job!  I will post the answers to all 5 worksheets at the end of this paragraph as soon as I finish them; done) ...but to be clear, only 3 of the 5 worksheets for now. 
Worksheet answers here

Eric, Danny and Avery - Your chemical reactions demonstrations are on Thursday.


and here are some videos for review and just interesting:


And this is an hour-long video, but go ahead and start it...I think you will like The Science of Fireworks!



Friday, December 6, 2013

Prepare!

...to meet thy Doom. [just something from the old days]

Priority for those of you who are doing chemistry demonstrations on Monday...prepare your lab, acquire the necessary supplies (NOT on Sunday) asap, calling me is better than email, and sooner is better than later.  (Lily, Jadon & Jesse)

From the Review worksheets: 8-2 Naming Ionic Compounds, 8-3 Writing Formulas, and if you still need work, but later is OK => 8-4 Ionic Compounds, Names & Formulas. Review to remember these 6 polyatomic ions and their charges:  hydroxide, nitrate,  carbonate, sulfate phosphate, ammonium. (nob,cob,soy,poy)  hints for remembering polyatomic atoms 

 
From the Textbook 8.6 & 8.7 Ways to Classify Reactions, and Other Ways to Classify Reactions, do self-check and section questions 1-5 on page 243, including the What If? on the side.
Suggestion: When you read any chemical formulas, say the words, not the letters, in your mind.  For instance, think "sodium chloride" or "potassium hydroxide", not spelling NaCl or KOH.  Don't let your brain skip over the equations; read and picture what is happening at the molecular level  as best you can.  Feel free to write notes in your book, like "CH4=>methane", and pretty soon the chemical equations will be less like phonics and more like sight-reading.  8.5-8.7 section answers


Monday, December 2, 2013

REreReView...

First of all, let's solidify the work we did in class exploring the six different kinds of chemical reactions.  Re-read the handout introduction and work through the pages following, making sure you have correctly formulated the balanced equations for each station.  Then complete the last page which is a worksheet with balancing equations.
Read textbook sections 8.4& 8.5,   (pages 226-235) be sure to do the self-checks in the tan boxes. Answer ALL end-of-chapter questions (page 246) for each section, #17-23, and #24-29. Turn in this homework Thursday.  ALSO bring a water sample from home to Thursday's class. (A film canister or any small container will do.)

Last homework period we got started on the packet of review worksheets; you should already have completed the first two [1.1 (Element Names) and 4.2 Isotope Notation], now continue with 6.2 - Information on Periodic Table, and watch this series of 3 videos: http://www.youtube.com/watch?v=TIxiDESxc0I&list=SPF75D9C525639675C&index=1

Next Monday we will start giving "demo" reactions - kinda like speech class - each student will present a chemical reaction, with the balanced equation, to the class.  On Thursday I will bring some books that you can choose from, or you can troll the internet.  You will need to use what either you have or I have, so ask me.  Nothing really dangerous, sorry. 

We will have a semester "final" in two weeks!  Make sure you are confident regarding vocabulary for chapters 1-8. For reference:
http://quizlet.com/26767357/world-of-chemistry-chapter-3-key-terms-flash-cards/
http://quizlet.com/13506344/world-of-chemistry-chapter-4-nomenclature-flash-cards/
http://quizlet.com/10765019/world-of-chemistry-chapters-5-and-6-flash-cards/

http://quizlet.com/19136971/world-of-chemistry-chapters-7-and-8-flash-cards/
These are all put together by students and they may contain errors; nevertheless, they may be helpful.
 HEY! I FIGURED OUT HOW TO USE MY SCANNER...so now I can post the answers to the textbook questions. Please avail yourself, because the best way to see if you need extra help is to check your own work immediately.  So... section 8.4 answers and section 8.5 answers

Friday, November 22, 2013

under construction, but start here...

Not quite finished with the homework blog, but if you want to get started on the review pages, do the first two worksheets, which is 3 pages, on Element Names and Isotope Notation. Review  textbook chapter 3.  Review the 10 difficult chemical symbols:
Ten Tough Guys -Learn this list of elements and their names.

Element Symbols
Sb
Cu
Au
Fe
Pb
Hg
K
Ag
Sn

 Na sodium
Antimony 
Copper 
Gold 
Iron 
Lead 
Mercury
Potassium 
Silver 
Tin 
Tungsten
Sb- From the Greek words 'anti' and 'monos' meaning "opposed to solitude".
Cu - From the Latin word 'cyprium', after the island of Cyprus.
Au - From the Latin word 'aurum' meaning gold.
Fe - From the Latin word 'ferrum'  meaning iron.
Pb - From the Latin word 'plumbum' meaning lead

.Hg  - From the Greek word 'hydrargyros' meaning 'water' and 'silver'.
K - 
From the Medieval Latin word 'kalium'  meaning potash (pot ashes).
Ag - 
From the Latin word 'argentum' meaning silver.
Sn - 
From the Latin word 'stannum' meaning tin
W - 
From the German word 'Wolfram'. Ancient alchemists called the metal "spuma lupi," the Latin words for  'wolf foam' which was translated to the word "wolframite" in allusion to the objectionable scum or substance formed during the smelting of tin ores containing tungsten.
Element Symbols
 

Tuesday, November 19, 2013

A Chemical Equation Is Like Putting Together the Pieces...

World of Chemistry video: Water 28 minutes   For worksheet, click on "Episode 12 and then on that site, scroll down and choose Episode 12 which will give you the Word document file to print out;  and to watch go here:  http://www.learner.org/vod/vod_window.html?pid=804  Take notes as you watch, as well as answering the worksheet questions.

Practice problems from your textbook: page 245.
Section 1: questions 1-2
Section 2: questions 3-7, question 8-13 only the letters written in blue type, so that you can check your answers in the back on  page A-35)
Section 3: question 14,15, blue letters only.

Handout from class:  Logic problem on the first page, do as much as you can or find worthwhile--my minimum expectation is that you give it 15 minutes of time (it took me over 90 minutes to solve; I kept at it because it is fun and challenging for me) but even if you aren't that into solving, it is still the kind of thinking that is required for the experiment, and so the purpose of this exercise is to "think about thinking" .   Also, read through the entire handout, as I'm pretty sure that is what we will attempt in class on Thursday.

Between Thanksgiving and Christmas break, we will spend our time reviewing and putting together the puzzle so far of what we have learned.  If you seem to be getting behind on homework, remember that your commitment in this class is to spend at least 3 hours in homework time each week.  If you need help, ASK, and if you are not getting it because you are not doing all the homework on time, be honest with yourself--this class is difficult, and doubly difficult because we have so little class time.  SO WE MUST DO HOMEWORK on time AND NOT SKIP, and we must know our own weaknesses and reinforce  them by reviewing old concepts until they seem easy and obvious.  After each experiment, we should realize what it was that we were supposed to learn, and we should review and practice the problems until they are easy and understandable.  Consider going through past posts and re-watching videos.

Has anyone completed our reading book, Uncle Tungsten? If you do not finish it by Christmas vacation, then it will be homework for Christmas break.  I think it is truly worth you while.

I am working on a study guide, and we will have an end-of-quarter comprehensive exam, so start the review by letting me know what is still most confusing. (comments below?)
*********************************************************************************

The illustration below is NOT homework; it is just an example of a logic problem and a chart that helps solve it.  Do you see how it relates to our current experiment?
Add caption

Thursday, November 14, 2013

Continuations...

...For Abel and Anthony, your job is to catch up on last week's homework, so scroll down...  and for everyone else, it is to make sense of last week's homework, so keep plugging on.

Specifically, choose 6 or more reactions from the lab that produced a precipitation, and write out (for each equation)  the balanced molecular equation, with the (aq) and the (s) as needed,  the ionic equation, and the net ionic equation. Make sure you balance the charges when you write down the products.  And then write down why you think which compound is the precipitate, according to the solubility rules on page 218 (Table 8.1 or Figure 8.3)  in your textbook.  For example: "Most nitrate (NO3-) salts are solulble. Most hydroxide compounds are only slightly soluble, expections are sodium, potassium  and calcium."
In summary, for six reactions of your choosing:

  1. Balanced molecular equation
  2. Ionic equation
  3. Net ionic equation
  4. Solubility rule applied


The tricky bit might be to consider which elements combine to form the precipitate.  Your textbook section 8.2 and 8.3 will help you, particulary the solubility rules. You may also review the videos from last week's homework. (Don't be confused:  precipitates are solid because they are insoluble!  and ions are aqueous/soluble because they are dissolved in the solution.)

You may also review the videos from last week's homework, as needed.

Monday, November 11, 2013

Introduction: watch till you get to the math stuff at the end:


If you have not already done so, or to refresh your memory, watch the video series on balancing equations:  Chemistry 6.1-6.3 from last week's blog, and now onto 6.4:

Practice balancing equations with this worksheet: http://misterguch.brinkster.net/PRA008.pdf 
Answers are given.  You can use the method of guess and check, but I prefer Isaac Teach's little chart.  If you want more practice, google  for "balancing equations worksheet".


But you are probably wondering what I was trying to say in class about ionic equations, well, here is a much better explanation than mine;  please watch this video before you answer the lab questions from class

That was helpful, right?  (Another video you can watch is http://www.youtube.com/watch?v=5bKWM7VG3nI  But now the question is, which cations hooked up with which anions to form the solid precipitates in our experiment?  Well, it takes experience, or else a solubility chart, written by someone who has experience, like the writer of our textbook on page 218.  Read Chapter 8.1-8.2 (Predicting whether a reaction will occur, Reactions in which a solid forms.)  You should now be able to complete the lab questions easily. 
Now a more entertaining version of the same concepts, plus some reasons why this subject is important, as a reward for a job well done:

.LASTLY >>>[Remember the worksheet on naming acids which I handed out in class; it is enough to do the first half of the table (1-8).  If you still have a bit of time, get this done now--no need to memorize anything--I want you to see the patterns because it is helpful to recognize these compounds when you see them.  We used two acids in our lab today; which ones were they, and how can you easily recognize an acid?]  Naming acids Worksheet here:  http://www.csun.edu/~jte35633/worksheets/Chemistry/9-3NamingAcids.pdf

Bring your questions to class; we are now going to spend a little while reviewing  before we go any further, and then we will take some time to play.  Thank you for your good efforts.

Thursday, November 7, 2013

Balancing Equations


Also, work on Balancing Chemical Equations: Go to explorelearning.com. Login with lilyharmon, password jb, and on the class page, choose "balancing chemical equations"   print out the student pages and vocabulary  and follow the directions.  (If your computer has trouble loading this page, hit the ?Support button at the top of the page, and then choose "Troubleshooting" , then "system test page"  - it is likely that you need to upload Shockwave full version (not slim) or enable cookies or Flash.  We will use this program again, so get it working on your computer.  Thanks.)

IF YOU HAVE TROUBLE,  or would just like someone to explain things clearly, here is the tutorial for balancing equations: (or you may muddle through and watch this next week.)  It's about 17 minutes total.


Finish any undone math work from Monday's experiment on hydrates, to turn in on Monday.  Be sure you understand how to convert from grams to moles to molecules, how to calculate molar mass, how to find the percent composition and how to figure out the formula of a hydrate when you are given the masses before and after heating.

PS > Does anyone have a broken laser pointer I could have?

Monday, November 4, 2013

Seizure

In 2008, the artist Roger Hiorns filled an abandoned waterproofed building London with 75,000 liters of copper sulfate solution. The solution was left to crystallize for several weeks before the flat was drained, leaving crystal-covered walls, floors and ceilings. The work is titled Seizure.[19]

So what's a hydrate?  watch this video.





For starters, print out this worksheet including the answer sheet--it should answer some of your questions about hydrates. You can try to answer the questions or just straight out copy.

For homework finish up Monday's lab on Percent Composition, as best you are able. SHOW YOUR WORK!!!

You will be asked for the "empirical formula." What is that? Watch this video.

The extra worksheet, "Determining the formula of a hydrate," given out in class, or here, should be of help.   READ it! and follow the steps.  Make a data table for each problem and show your work You will not get a perfect number from your class experiment--there was just too much error involved, mostly my fault for not preparing you well enough and not problem shooting ahead of time--BUT this worksheet will help you find the THEORETICAL FORMULA  for CuSO4 or MgSO4.[that is to say, how many H2Os are attached to each ionic compound unit]   Solve problems 1-4.  Make a data table for each problem and show your work.  Life has no answer book, so always show your work.  I will be collecting and correcting homework from now on, so be legible.

Bragging rights for doing this on your own.


Review lesson: The Law of Definite Proportion/The Law of Multiple Proportions









  • Friday, November 1, 2013

    LHW

    Low homework weekend, but do watch and take notes along with this tutorial video:

    http://socratic.org/chemistry/the-mole-concept/percent-composition

    If there is unfinished past homework, please work to catch up.  (Nathan, you probably missed a bit while you were out.)  Remind me to collect the homework on Monday. (Unit conversion lab and the mole conversion lab, and the latest worksheet on covalent naming.)


    Also, work on those unit conversions: Go to explorelearning.com. Login with lilyharmon, password jb, and on the class page, choose "unit conversions"  and just work the problems on the gizmo - no need to print out the student pages unless you want to - notice the "flip tile" button, which flips the numerator and the denominator of the  unit conversion fractions. Also notice the "Submit" button when you want to check your work.  (If your computer has trouble loading this page, hit the ?Support button at the top of the page, and then choose "Troubleshooting" , then "system test page"  - it is likely that you need to upload Shockwave full version (not slim) or enable cookies or Flash.  We will use this program again, so get it working on your computer.  Thanks.)

    Thank you for your prayers and your kind words.  Monty is coming along and doing pretty well.


    Monday, October 28, 2013

    #1 --Please finish your lab worksheets from class.  The solutions are printed in the teacher portion of the lesson.  If you need more help understanding mole conversions, see your textbook, chapter 6.4, or a video-tutor like http://socratic.org/chemistry/the-mole-concept/what-is-a-mole -  see the bottom of the page (chapter 15).   See also below.



    #2 --Learn the Song!  and think of some good ideas for taping it {I have this cool lamb puppet, which could sing "Baaaaaaaaaaa-rium is 56..." --I will bring my lamby, plus some hellium balloons, some glow in the dark face paint..}  Anyone got a Frankenstein mask?  leave comments with ideas.


    #4 --Covalent Bonding - naming practice - When a metal binds to a non-metal, it's ionic, but if two non-metals bind together, it is a genuine molecule with  covalent bonds, and it has a different and simpler method of naming.  Print out pages 10-11, read the directions and fill out the worksheet.  http://academic.pgcc.edu/~bsuitte/chem%201010/Nomenclature_Worksheets%20covers%20all.pdf

    Congratulations -- we have done a lot of groundwork for success in chemistry, and hopefully it will get more and more interesting as time goes on and our knowledge base grows.  Good work, all round!


    EC for IQ- Can you figure this one out?  (using dimensional analysis, factor-label, 'nother name for one, whatever you want to call it...)

    Cardiovascular diseases are the leading causes of death worldwide.  To address this problem, bio-medical engineers have designed various artificial hearts, which surgeons may someday routinely implant in patients whose own hearts are failing.  Before implanting such a decide in a patient, a surgeon needs to have an idea of how long the artificial heart might be expected to work before needing to be replaced. If an artificial heart is capable of pumping at least 17,000,000 pints of blood before failure, how long will it probably last in a patient whose average heart rate is 72 beats per minute, and average stroke volume (the amount of blood pumped each stroke) is 70 ml?   [hint: there are about 473 mL per pint, and strokes are the same as heartbeats.]

    1.  Plug in the value that you start with.
    2.  Determine what unit you want to end up with. (how many years?)
    3.  Write down any ratios that you are given.
    4.  Write down any conversion factors that you might need.
    Then make an extended t-chart.  Write your answer in comments.
    Prize will be CANDY!
    ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++


    Thursday, October 24, 2013

    Holy Moly, Batman...

    Thinking about our class->>>I would like you to go over the worksheets on unit conversions that we did in class: the pencil in miles, the paper clip in tons, etc.   Finish what you didn't complete in class and NEATLY, very neatly, write out the equation as it is supposed to be done, with the units clearly expressed, and no shortcuts.  [If grams are in the numerator, then put grams in the denominator of the following conversion/fraction...
    ]. Then think about the answer, does it make sense?  If your pencil is 32,000 miles long, or your paper clip is more than a ton, my guess is you made a mistake.  If you would like to print a new copy, go to page 9 here: http://misterguch.brinkster.net/17.pdf  (Unit Conversion Lab)  Answers are provided.  Please turn this in on Monday, neatly, so I can grade it.

    T'S AN IONIC CONTEST!   More naming ionic compounds, but here's the twist, time how long it takes you to complete page 1 only, just the naming part. [start by making a cheat sheet in the margins.]  Leave a comment with your score below.  Then finish up the worksheet; you also have to figure molar mass.  See textbook chapter 6.4 (page 165) for instructions, and you only need to figure the molar mass for the even numbered 1-20.  But to be clear, do the ionic naming both pages.  Are you getting good?  Tickets for participating in the contest; if you can beat my doubled-time, I'll give out a prize. :}  http://misterguch.brinkster.net/WKS001_023_749153.pdf  (answers provided.)

    Video: World of Chemistry:  The Mole   http://www.learner.org/vod/vod_window.html?pid=803
    +

    Monday, October 21, 2013

    WEDNESDAY'S HOMEWORK...#happymoleday

    6.02 x 10 ^ 23

    [Professor Avagadro taught Defense Against the Dark Arts at Hogwarts, I think. ]

    Happy Mole Day!              



    and I cannot help myself...


    If you did not do TUESDAY's homework, see post following this.

    And watch/practice the Conversion Factors, by Tyler Dewitt: (what I should have taught before we did moles)
    http://socratic.org/chemistry/measurement-in-chemistry/unit-conversions/converting-units-with-conversion-factors  Watch enough to do this worksheet:
    http://woodridge.k12.oh.us/ourpages/users/dweaver/Chemistry/PracticeWorksheets/CalculationWorksheets/UnitConversionsWorksheet.pdf  yea! there are answers to check your own work. 

    TUESDAY'S HOMEWORK : hints for remembering polyatomic atoms


    Please NOTE: I will post WEDNESDAY's homework tomorrow.  

      Watch the first half for some review, but skip the rest    when it goes to acid-naming; that's for much later.


    Take notes ALWAYS; in order to retain any of this you must take notes. Remembering starts with a pencil. 

     
    Take notes here; in order to retain any of this you must take notes. Remembering starts with a pencil. 


     
    Take notes here; in order to retain any of this you must take notes. Remembering starts with a pencil. 


    If you are wondering which polyatomic ions to memorize, this is the starter list:
     hydroxide, nitrate, nitrite, sulfate, sulfite, carbonate, phosphate, ammonium.  

    and so now for a worksheet to practice and before you proceed, write down all the tricks you learned at the bottom of the page. with... http://misterguch.brinkster.net/WKS001_010_636149.pdf
    You will be glad to know there is an answer sheet!
    PLEASE RETURN TOMORROW FOR MORE HOMEWORK!

    but if you need to get it done today...
     Conversion Factors, by Tyler Dewitt: (what I should have taught before we did moles)
    http://socratic.org/chemistry/measurement-in-chemistry/unit-conversions/converting-units-with-conversion-factors  Watch enough to do this worksheet:
    http://woodridge.k12.oh.us/ourpages/users/dweaver/Chemistry/PracticeWorksheets/CalculationWorksheets/UnitConversionsWorksheet.pdf  yea! there are answers to check your own work.



    Thursday, October 17, 2013

    I (go) On, and ion and ion...


    Print out this periodic table of ions:
    http://www.sciencegeek.net/tables/PT_ions.pdf


    I know I gave you homework pages copied from the textbook, but if you would rather finish out this set of worksheets [purple link below], that would be better, and would be easier to correct, and would take less time. You should already have done the first 4 pages (2 worksheets) last week; now you should complete worksheets 3,4 and 5. It is 12 pages total, you've done the first 4 pages, so print out pages 5-12, and it includes instructional help. Unclear? call me.
    http://academic.pgcc.edu/~bsuitte/chem%201010/Nomenclature_Worksheets%20covers%20all.pdf   ***There is a really good shortcut rule on the last page-- called the "cross-over rule"  Read this first!
    You can skip the textbook and the worksheets I handed out in class; the information is covered in the worksheets. If you need extra help, see the following videos by Tyler Dewitt.




    I think this subject we can mainly cover in homework, but if you have trouble spots, please let me know, or if you need more practice. I need feedback!!! I will quiz on Monday on ionic/polyatomic  formula writing.

    Here's a cool interactive Periodic Table:  http://www.ptable.com/#Compound
    It's fun to play around with!  [really!]

    Monday, October 14, 2013

    No extra homework, unless you need to catch up from last week.  Exploratorium on Wednesday; bring camera-device if you can (phone, etc.) to take pics of exhibits to remember along with the written description, and I'll give tickets for good pictures!  Maybe we'll have a treasure hunt!

    O, and keep learning that song!  Danny, can you do the chorus on the  accordion?  That would be so amazing!

    Thursday, October 10, 2013

    Periodic Recap and onto Ions!

    CRASH COURSE CHEM: The Periodic Table

    Next:
    Video #7: The Periodic Table
    Scroll down the page.
    and watch The Periodic Table (press VoD button)  28 minutes, but you can quit after about 18 minutes, if you wish.

    Read ahead: Textbook 3.10 -3.11 + end of chapter  questions for those sections. (page 83)

    worksheet: http://academic.pgcc.edu/~bsuitte/chem%201010/Nomenclature_Worksheets%20covers%20all.pdf  Print pages 1-4, and  do  worksheets  #1 & #2!!!

    Keep memorizing Periodic table song; making a video soon.
    And if you can , read further into Uncle Tungsten.
    Thanks, and have a great day

    Monday, October 7, 2013

    So depending on whether you have studied particle physics before, this stuff is a review or else it is getting your feet wet. There is so much more we could cover, and we will, but for now we are getting used to thinking about the basics of atomic structure and the basic periodic table, and all the vocabulary that goes along.

    Very Short but Interesting Videos:
    Basic Atomic Structure

    Amazing Atoms - What Atoms Are Not Like.

    Have you ever seen an atom?

    And this will help you with the textbook reading:  Print out the table below before watching the 7 min. video textbook.
      The Periodic Table
    Print out this periodic table:
    http://www.evanschemistrycorner.com/chempt-2011.pdf
    Color in your periodic table in groups as you watch/read:
    metals
    metalloids
    non-metals
    Now for Mr. Anderson: A Tour of the Periodic Table (10 min)
    Also color in:
    alkali metals
    alkaline earth metals
    halogens
    noble gases
    transition metals


    Reading Textbook: 3.8-3.9, plus section questions on page 82-83  .[If you have trouble with getting to the worksheets, try finding the site and going from there.]

    Print this >>>Worksheet:
    http://www.evanschemistrycorner.com/Labs/Atomic_Structure/L2-5A_Drawing_Atomic_Diagrams.pdf  The diagrams might look like this (electrons are in energy levels) except you can just write how many electrons in each energy level.  We'll go over it in class if it is too confusing.



    Last but not least read another 30+ pages of Uncle Tungsten.   AND...keep memorizing the Song:

    Thursday, October 3, 2013

    Why do chemists make such bad puns? ...

    Because all the good ones Argon.

    The following homework is due MONDAY, October 7th:
    I'm going with this song, even though Daniel Radcliffe's is cooler, and even though y'all voted for that one.  This one's in order and has the symbols and a picture clue as to where you might find the elements in nature or technology.  So start memorizing; I am taking up the challenge of a video response (on your behalf) Seriously... video taping in 2 weeks.

    Ten Tough Guys -Learn this list of elements and their names.
    Element Symbols
    Sb
    Cu
    Au
    Fe
    Pb
    Hg
    K
    Ag
    Sn

     
    Antimony 
    Copper 
    Gold 
    Iron 
    Lead 
    Mercury
    Potassium 
    Silver 
    Tin 
    Tungsten
    Sb- From the Greek words 'anti' and 'monos' meaning "opposed to solitude".
    Cu - From the Latin word 'cyprium', after the island of Cyprus.
    Au - From the Latin word 'aurum' meaning gold.
    Fe - From the Latin word 'ferrum'  meaning iron.
    Pb - From the Latin word 'plumbum' meaning lead

    .Hg  - From the Greek word 'hydrargyros' meaning 'water' and 'silver'.
    K - 
    From the Medieval Latin word 'kalium'  meaning potash (pot ashes).
    Ag - 
    From the Latin word 'argentum' meaning silver.
    Sn - 
    From the Latin word 'stannum' meaning tin
    W - 
    From the German word 'Wolfram'. Ancient alchemists called the metal "spuma lupi," the Latin words for  'wolf foam' which was translated to the word "wolframite" in allusion to the objectionable scum or substance formed during the smelting of tin ores containing tungsten.
    Element Symbols
    Reading the Textbook: Chapter 3.4-3.7 + section questions.

    As well as the textbook:
    Documentary: The Story of Science (55 minutes)

    Q: What did the bartender say when oxygen, hydrogen, sulfur, sodium, and phosphorous walked into his bar? 
    A: OH SNaP!


    Lastly, try to fit in some reading, Uncle Tungsten; sorry that I have not been assigning pages.  My family has had a pretty full month, some of you the same, and I have not wanted to overburden you in these first weeks of school.  It is a bit off the mainstream to assign a reading book for science, but I think there is great value in an integrated approach.  I hope you read at least one "science" book each year for the rest of your life.  A science book that is not a textbook! Just for the pleasure of it.

    Monday, September 30, 2013

    Models, Measures & Maths

    I'm hoping that through this lab you see the helpfulness of modelling, and the importance of measuring and mathematics. 

    Finish the Nuts & Bolts lab worksheet from class.  You should have enough information from your measurements. You may have to redo the math.  
    What you should take away from the worksheet is this:
    -how does this activity model the following concepts?  
    How do the nuts and bolts model isotopes? 
    How do the methods of weighing and averaging the masses of the nuts and bolts model what chemists have to do with a lump of matter to find the atomic weight?
    The Law of Definite Composition - what does that even mean?
    The Law of Multiple Proportions - do explain... or try, anyway.

    This might help:
    For review on the Atom:  basic-atomic-structure
    and
    worksheet: worksheets/Chemistry/4-3AbundanceIsotopes.pdf  Read the worksheet to understand the lab, and do a couple of the problems, or all for extra credit.
    and


    The following homework is due MONDAY, October 7th:
    I'm going with this song, even though Daniel Radcliffe's is cooler, and even though y'all voted for that one.  This one's in order and has the symbols and a picture clue as to where you might find the elements in nature or technology.  So start memorizing; I am taking up the challenge of a video response (on your behalf) Seriously... video taping in 2 weeks.

    Reading the Textbook: Chapter 3.4-3.7 + section questions.

    Alternative to textbook:
    Documentary: The Story of Science (55 minutes)

    Thursday, September 26, 2013

    Names & Symbols, ka-ching!

    Finish the SigFig worksheet from class.  For extra tutorial help, here:  http://socratic.org/chemistry/measurement-in-chemistry/significant-figures
    If you understand it from the worksheet instructions, don't bother with the videos, they are probably too long, or just skip around.  It's pretty good practice.:
    Answers can be checked here: http://misterguch.brinkster.net/24.pdf  (24 Lessons that Rocked the World) page 36
    Read your textbook, 3.1-3.3 (only about 6 pages)

    Which song do you like better, The Classic...done by Harry Potter...

     or the The NEW Elements Song!




    PLEASE VOTE NOW BY LEAVING A COMMENT!!!!!

    Which Ones to Remember???
    Table 3.3 in your textbook (page 51) has a list of the names and symbols of the most common elements. Start memorizing these by making flash cards, or find an app. or quizlet... http://quizlet.com/24197438/flashcards

    Tuesday, September 24, 2013

    Thank you, friends, for help with class yesterday.

    Review Chapter 2 by skimming through the chapter, reading the pictures, making sure you understand all the vocabulary, getting the main ideas from the summary points at the end of the chapter and briefly answering questions 1-19

    Then get an overview of  atoms & molecules with rock star physicist Brian Cox who has such a cool accent.




    Thursday, September 19, 2013

    Due Monday, Sept 23rd

    Safety Video (36 minutes) It's the wedding this weekend, so that's all, except review the chapter 2 summary before class. Avery and Nathan, will you be able to do the demos that I emailed you about?  



    Review: The Scientific Method According to Monty