Sequence of web pages to view:
Copy (Ctrl-c) paste (Ctrl-V), open another browser (Ctrl-N)... You should open another browser and keep this page open throughout the lesson! Use (Alt-Tab) to switch browsers.
A)
http://www.bio.miami.edu/dywang/101lec-1.html
Read the webpage above and answer the questions
1. Why are He, Ne, Ar stable or unreactive?
2. If hydrogen , carbon and sodium are to form ions, what will be the
electron configurations of the ions?
B) Atoms:
http://www.zo.utexas.edu/faculty/sjasper/images/john3.02.jpg
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C) Atomic structure:
http://www.anselm.edu/homepage/jpitocch/genbio/atomstruct.JPG
1.What elements are in the diagrams at the site above? Explain
D) How many electrons can be held in the second shell? Explain
http://www.anselm.edu/homepage/jpitocch/genbio/electshell.JPG
E) How to form an ion from an atom?
http://www.zo.utexas.edu/faculty/sjasper/images/john3.03.jpg
F) ionic bond
http://www.anselm.edu/homepage/jpitocch/genbio/ionicbond.JPG
How many e- are there in Na atom? How many e- in Cl atom?
Explain.
G) Another NaCl example:
http://www.zo.utexas.edu/faculty/sjasper/images/john3.09.jpg
H)
http://www.webelements.com/webelements/compounds/text/Li/F1Li1-7789244.html
structure of LiF why LiF not Li2F?
I)Chem cards:
Card 22
http://www.hcc.mnscu.edu/programs/dept/chem/V.12/page_id_33111.html
J) look at card 27 below:
http://www.hcc.mnscu.edu/programs/dept/chem/V.12/page_id_54322.html
How is this case different from the previous one? How many e- does
Li lose to become Li+? How many e- does O gain to become O2-
K) using webelements:
http://www.webelements.com
- Click on Mg then MgF2 on the right hand side of the Mg
page…
- Can you tell me why Mg and F have to mix as MgF2 -that
is 2 Mg to 1F?
- Find the compound MgCl2 on the same site… explain why
the formula is 1Mg to 2Cl
K2) using all the resources try to find out the e- configurations of the atoms, ions and formula of the compounds formed for the following:
magnesium Mg and sulfur
AlCl3
why 1 Al to 3Cl in the formula?
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If time permits
L) What happens to the Na+ and Cl- in the diagram? Is the end product
pure? What is the product called?
http://www.anselm.edu/homepage/jpitocch/genbio/h20solvent.JPG
M) ChemBalancer: balancing equations
http://www.dun.org/sulan/chembalancer/
N) How are the bonds in the diagram below different from what we learned
so far? IS there anything similar in terms of the number of electrons in
each case?
http://www.anselm.edu/homepage/jpitocch/genbio/covalentbond.JPG
O)
http://www.chemistrycoach.com/baleq.htm#Balancing
Equations by Counting Atoms
P)
http://www.ec.gc.ca/water/en/nature/prop/e_intro.htm
What are some properties of water? How is water used in our world?