Chemical Names and Formulas Worksheet
Grade 12 Chemistry worksheet covering naming conventions and formula writing for ionic and covalent compounds, including acids and hydrates.
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Chemical Names and Formulas
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Read each question carefully and provide the correct chemical name or formula as required. Pay attention to the type of compound (ionic, covalent, acid, hydrate) to apply the appropriate nomenclature rules.
1. The chemical name for CaCl₂ is .
2. The chemical formula for Iron(III) Oxide is .
3. The chemical name for (NH₄)₂SO₄ is .
4. Which of the following is the correct chemical formula for Dinitrogen Pentoxide?
N₂O₅
NO₅
N₅O₂
N₂O₄
5. What is the chemical name for PCl₃?
Phosphorus Chloride
Phosphorus Trichloride
Monophosphorus Trichloride
Triphosphorus Chloride
6. Write the chemical formula for Hydrobromic Acid.
7. Name the compound H₂SO₄.
8. Write the chemical formula for Copper(II) Sulfate Pentahydrate.
9. The compound Lithium Nitride is represented by the formula LiN.
True
False
10. Carbon Tetrachloride is a covalent compound.
True
False
Match the chemical formula on the left with its correct name on the right.
1. KOH
a. Carbonic Acid
2. H₂CO₃
b. Potassium Hydroxide
3. N₂O
c. Dinitrogen Monoxide
11. Differentiate between binary ionic compounds and polyatomic ionic compounds in terms of their naming conventions. Provide an example for each.
12. Explain why prefixes are used in naming covalent compounds but not typically in naming ionic compounds.