Naming Molecular Compounds Worksheet
A Grade 10 science worksheet covering the naming conventions for molecular compounds, including prefixes 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 molecular compounds, including the use of prefixes.
1. Molecular compounds are typically formed between two or more elements.
2. The prefix for four atoms in a molecular compound is .
3. When naming the second element in a molecular compound, the ending changes to .
4. The compound N2O4 is named .
5. Explain why we use prefixes when naming molecular compounds but not typically for ionic compounds.
6. What is the correct name for the compound PCl5?
Phosphorus chloride
Phosphorus pentachloride
Monophosphorus pentachloride
Pentachloride phosphorus
7. Which of the following is the correct formula for sulfur hexafluoride?
S6F
SF6
S5F
SF5
Match each chemical formula on the left with its correct name on the right.
8. CO
a. Dinitrogen trioxide
9. N2O3
b. Carbon monoxide
10. SO2
c. Sulfur dioxide
11. CCl4
d. Carbon tetrachloride
12. The compound CO2 is correctly named monocarbon dioxide.
True
False