Covalent Compound Naming Practice
Practice naming covalent compounds using IUPAC nomenclature rules for Grade 11 Chemistry students.
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Covalent Compound Naming Practice
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Read each question carefully and provide the correct name or formula for the given covalent compound. Remember to use appropriate prefixes for the number of atoms.

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?
SF₄
S₆F
SF₆
S₂F₆
3. The compound with the formula PCl₅ is named .
4. The chemical formula for carbon disulfide is .
5. Silicon dioxide is a common compound found in sand, and its formula is .
6. Explain why prefixes are used when naming covalent compounds but not typically for ionic compounds.
7. Name the compound Cl₂O₇ and explain the meaning of each prefix and suffix used.
Match the covalent compound name with its correct chemical formula.
8. Carbon monoxide
a. N₂O
9. Dinitrogen monoxide
b. CO
10. Phosphorus trichloride
c. PCl₃
11. Dihydrogen monoxide
d. H₂O
12. The compound with the formula CO₂ is named carbon dioxide.
True
False
13. The prefix 'mono-' is always used for the first element in a covalent compound name if there is only one atom.
True
False