Naming Molecular Compounds Worksheet
Grade 11 Chemistry worksheet on naming molecular compounds, including prefixes, suffixes, and common exceptions.
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Naming Molecular Compounds
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Read each question carefully and provide the best answer. Remember the rules for naming binary molecular compounds.
1. The prefix for four atoms in a molecular compound is .
2. When naming the second nonmetal in a binary molecular compound, its ending changes to .
3. If there is only one atom of the first element, the prefix is usually omitted.
1. What is the correct name for the compound PCl₃?
Phosphorus chloride
Phosphorus trichloride
Triphosphorus chloride
Monophosphorus trichloride
2. What is the chemical formula for dinitrogen pentoxide?
N₅O₂
N₂O₅
N₂O
NO₅
1. Name the following molecular compounds:
a) CO:
b) SO₂:
c) N₂O₃:
2. Write the chemical formulas for the following molecular compounds:
a) Sulfur hexafluoride:
b) Carbon tetrachloride:
c) Diphosphorus pentoxide:
1. The compound CO₂ is named monocarbon dioxide.
True
False
2. Molecular compounds are typically formed between a metal and a nonmetal.
True
False
Match the prefix with its corresponding number of atoms:
1. Mono
a. 5
2. Di
b. 1
3. Tri
c. 2
4. Tetra
d. 4
5. Penta
e. 3