Ionic Formula Writing Practice
A Grade 12 chemistry worksheet for practicing writing ionic formulas from names and vice versa.
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Ionic Formula Writing Practice
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Date:
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Carefully read each question and follow the instructions to write the chemical formula or name for the given ionic compounds. Remember to balance charges to ensure a neutral compound.
Review: Ionic bonds form between a metal and a nonmetal, involving the transfer of electrons and the formation of ions. The resulting compound is electrically neutral.
Write the correct chemical formula for each of the following ionic compounds:
1. Sodium chloride
2. Magnesium oxide
3. Aluminum fluoride
4. Calcium bromide
5. Potassium sulfide
Write the correct chemical name for each of the following ionic compounds:
6. Li₂O
7. Fe₂O₃
8. CuCl₂
9. NH₄NO₃
10. K₃P
11. Which of the following is the correct formula for lead(II) nitrate?
PbNO₃
Pb(NO₃)₂
Pb₂(NO₃)
PbNO₆
12. What is the name of the compound with the formula (NH₄)₂SO₄?
Ammonium sulfate
Nitrogen hydrogen sulfate
Ammonia disulfate
Nitrogen hydrogen sulfur oxide
Indicate whether each statement is True (T) or False (F).
13. In an ionic compound, electrons are shared between atoms.
True
False
14. Roman numerals are used when naming ionic compounds with transition metals.
True
False
15. Explain why the formula for aluminum oxide is Al₂O₃ and not AlO.
16. Write the formula for an ionic compound formed between a Group 2 metal and a Group 17 nonmetal, and name it generally.