Chem Exam? Please help!!!

Posted on 2015-08-22 05:48:00 in Chemistry by DUY

Hi, I have an exam coming up soon and these are things I should review. I would appreciate it if i could get an example of each listed. Please and thank you!!

1. Identify the type and number of subatomic particles that are
present in atoms, isotopes and ions and calculate the average atomic
mass or percentage composition of isotopes given appropriate
information.

2.Categorize elements as metals or nonmetals and indicate whether
they belong to the Main Groups, Transition or Inner Transition blocks
of the periodic table.

3. Identify elements up to atomic number 36 and their compounds by
name, symbol and formulas; predict the formulas of binary ionic
compounds, from the formula assign compounds as ionic or molecular.

4. Use the Laws of Conservation of Mass and Constant Composition to
obtain mass relationships in chemical compounds and reactions
including parameters such a mass percent composition.

5. Assign the names of common chemical compounds, including those
with polyatomic ions, from the formulas and assign formulas from the
names

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