Chemical Formula Writing Practice
Grade 10 Chemistry worksheet focusing on writing chemical formulas for ionic and covalent compounds.
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Chemical Formula Writing Practice
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Read each question carefully and write the correct chemical formula for the given compounds. Pay attention to charges for ionic compounds and prefixes for covalent compounds.
Write the chemical formula for the following binary ionic compounds.
1. Potassium iodide:
2. Magnesium chloride:
3. Aluminum oxide:
4. Sodium sulfide:
Write the chemical formula for the following ionic compounds containing polyatomic ions.
1. Calcium hydroxide:
2. Ammonium phosphate:
3. Iron(III) nitrate:
4. Copper(II) sulfate:
Write the chemical formula for the following covalent compounds.
1. Dihydrogen monoxide:
2. Sulfur dioxide:
3. Carbon tetrachloride:
4. Dinitrogen trioxide:
1. Explain the difference between how you determine the subscripts for an ionic compound versus a covalent compound.
2. Why is it important to use parentheses when writing formulas for ionic compounds with polyatomic ions?