Friday, November 9, 2012

Fri., Nov. 9, 2012

Objectives:  Demonstrate how substances
change in a chemical equation
Determine the numbers of each atom
in a chemical equation
Announcements: 
No School Monday!
Warm-up:
There are 4 naturally occurring isotopes of sulfur.  Sulfur-32 has an isotopic 

mass of 31.97 amu while the atomic mass of sulfur is 32.2.  Make a statement (or 2 or 3) about the isotopic abundances of the 4 isotopes. 
Natural isotope list with mass & abundances
Beanium - Poster must be done by Tues. EOS
Chemical reactions & equations
 

Homework:  Balance these reactions...

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