Chemical Symbols And Formulas Worksheet
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1Name:
Unit 1 Section A: Chemical Symbols and Formulas W orksheet
Complete the table below, providing element names and symbols:
Symbol
Name
Symbol
Name
1
Fluorine
11
Cobalt
2
Potassium
12
Ag
3
Ca
13
N
4
Iron
14
C
5
Hg
15
Copper
6
Sn
16
Iodine
7
Bromine
17
Pb
8
Cl
18
Oxygen
9
Gold
19
Magnesium
10
S
20
Al
Which elements from the table above have symbols that DO NOT correspond to their English names?
For each formula, name the elements present and give the number of atoms of each element in each compound:
a. CaCO
calcium carbonate
chalk
3
b. HCl
hydrogen chloride
part of stomach acid
c. C
H
naphthalene
mothballs
10
8
d. C
H
O
acetylsalicylic acid
aspirin
9
8
4
3. Translate these written descriptions into chemical equations:
a. One molecule of methane (CH
) reacts with two molecules of oxygen (O
) to form one molecule of carbon dioxide
4
2
(CO
) and two molecules of water (H
O).
2
2
b. One atom of sulfur (S) reacts with one molecule of oxygen (O
) to form one molecule of sulfur dioxide (SO
).
2
2
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