Chemical Names and Formulas Worksheet
A Grade 11 Chemistry worksheet covering chemical nomenclature, formula writing for ionic and covalent compounds, and polyatomic ions.
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Chemical Names and Formulas Worksheet
Name:
Date:
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Read each question carefully and provide the best answer. Show all work for calculations where applicable.
1. Which of the following is the correct chemical formula for aluminum sulfate?
AlSO₄
Al₂(SO₄)₃
Al₃(SO₄)₂
AlSO₃
2. What is the name of the compound with the formula PCl₅?
Phosphorus chloride
Phosphorus pentachloride
Pentaphosphorus chloride
Phosphoric pentachloride
3. The compound with the formula NaNO₃ is named .
4. The chemical formula for calcium iodide is .
5. A polyatomic ion is a group of atoms that acts as a single unit with a net .
6. Explain the difference between an ionic bond and a covalent bond, providing an example of a compound formed by each type of bond.
Match the chemical formula with its correct name.
7. NH₄Cl
a. Sulfur dioxide
8. SO₂
b. Ammonium chloride
9. Fe₂(CO₃)₃
c. Iron(III) carbonate
10. Write the chemical formulas for the following compounds: a) Copper(II) phosphate b) Dinitrogen tetroxide c) Potassium permanganate d) Hydrochloric acid
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