Ch. 3 & 4 atoms & molecules test [30 points] Chemistry
Academic Honesty: The answers on this test are my own and I am using only the allowed set of notes as described in the syllabus. I have not discussed the test questions with anyone before or during the test nor have I seen the test questions prior to the exam. If you violate any of the preceding items or do not sign, your semester grade is a F.
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1. fill-in the table. [10 points]
symbol |
# protons |
# neutrons |
# electrons |
charge |
Atomic mass |
65 Cu2+ |
|
|
|
|
|
|
47 |
|
|
+ 1 |
110 |
2. fill-in the table. [10 points]
Chemical name |
Chemical formula |
|
Fe(OH)3 |
Barium nitrate |
|
|
P3 Cl8 |
Ammonium sulfate |
|
|
S4 Br6 |
3. In the following chemical formulas, identify the name of the atoms in the molecule and the number of each atom in a molecule. [10 points]
a. Ag3 PO4
b. CH3 (CH2 )3 CH3