Chemical Formulas Sheet
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Chemical Formulas
STUDENT RESOURCE 2.4
ACTIVITY SHEET
In the last column, write the number of each type of atom in the
chemical formula. The first compound is done as an example.
Chemical
Type and Number
Compound
Use
Formula
of Atoms
Water
Basic nutrient
H
O
2 H atoms
2
1 O atom
Table sugar
Sweetener
C
H
O
12
22
11
Baking soda
Cooking
NaHCO
3
Phosphoric acid
Soft drinks
H
PO
3
4
Caffeine
Found in some
C
H
N
O
8
10
4
2
beverages and
foods
Aspirin
Pain reliever
CH
CO
C
H
COOH
3
2
6
4
CHEMISTRY • SECTION 2 ATOMS, MOLECULES, AND COMPOUNDS
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