Naming Molecular Compounds Worksheet
A Grade 12 Chemistry worksheet focusing on the nomenclature of molecular compounds, including prefixes and common exceptions.
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Standards
Topics
Naming Molecular Compounds
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Carefully read each question and provide the best answer. Remember the rules for naming binary molecular compounds, including the use of prefixes and handling of the first element.
1. In naming molecular compounds, the prefix for two atoms is , while the prefix for five atoms is .
2. When the first element in a binary molecular compound is singular, the prefix is usually omitted.
3. The second element in a binary molecular compound always ends with the suffix .
1. What is the correct name for the compound N₂O₄?
Dinitrogen tetroxide
Nitrogen oxide
Dinitrogen quadoxide
Tetranitrogen dioxide
2. Which of the following is the correct formula for sulfur hexafluoride?
SF₅
S₆F
SF₆
S₅F₆
1. Write the chemical formula for dinitrogen trioxide.
2. Name the compound PCl₃.
3. Write the chemical formula for carbon monoxide.
1. The compound CO₂ is named carbon dioxide.
True
False
2. P₄O₁₀ is correctly named tetraphosphorus decaoxide.
True
False
Match each chemical formula with its correct molecular name.
1. SO₃
a. Carbon tetrachloride
2. CCl₄
b. Dihydrogen monoxide
3. H₂O
c. Sulfur trioxide
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