Naming Covalent Compounds Worksheet
A Grade 12 Chemistry worksheet covering the rules and practice of naming covalent compounds.
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Naming Covalent Compounds
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Read each question carefully and follow the instructions to name the covalent compounds or write their chemical formulas. Remember the prefixes used for covalent nomenclature.
A covalent bond is a chemical bond that involves the sharing of electron pairs between atoms. These electron pairs are known as shared pairs or bonding pairs, and the stable balance of attractive and repulsive forces between atoms, when they share electrons, is known as covalent bonding.
1. In naming covalent compounds, prefixes are used to indicate the number of of each element.
2. The prefix for one atom is , but it is usually omitted for the first element.
3. The ending of the second element in a covalent compound name is typically changed to .
1. What is the correct name for the compound N₂O₄?
Dinitrogen tetraoxide
Nitrogen oxide
Dinitrogen oxide
Tetranitrogen dioxide
2. Which of the following is the correct chemical formula for sulfur hexafluoride?
SF₅
S₆F
SF₆
S₂F₆
Write the chemical name for each of the following covalent compounds:
1. CO
2. PCl₅
3. SO₃
4. Cl₂O₇
Write the chemical formula for each of the following covalent compounds:
1. Carbon tetrachloride
2. Diphosphorus pentoxide
3. Nitrogen monoxide
4. Xenon tetrafluoride
1. The compound with the formula CO₂ is named carbon dioxide.
True
False
2. The compound named silicon dioxide has the chemical formula SiO.
True
False
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