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Naming Compounds Worksheet

Practice naming ionic and covalent compounds for Grade 8 science students.

Grade 8 Science ChemistryNaming Compounds
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Includes

TextFill in the BlanksMultiple ChoiceTrue / FalseShort AnswerMatching

Standards

MS-PS1-2MS-PS1-1

Topics

chemistrycompoundsnamingioniccovalentgrade 8
8 sections · Free to use · Printable
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Naming Compounds Worksheet

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Read each question carefully and provide the correct name or formula for the given chemical compound.

Different types of compounds have different naming rules. Ionic compounds are formed between a metal and a nonmetal, while covalent compounds are formed between two nonmetals. Remember to use prefixes for covalent compounds and roman numerals for transition metals in ionic compounds.

Bottles of various chemical compounds in a laboratory

1. The chemical name for NaCl is  .

2. The chemical formula for potassium iodide is  .

3. Iron(III) oxide has the chemical formula  .

4. The name of the compound with the formula MgCl₂ is  .

5. What is the correct name for the compound N₂O₄?

a

Dinitrogen tetraoxide

b

Nitrogen oxide

c

Dinitrogen quadoxide

d

Nitrogen tetraoxide

6. The compound CO is named carbon dioxide.

T

True

F

False

7. Explain the difference in naming conventions between ionic and covalent compounds. Provide an example for each.

Match the chemical formula with its correct name.

8. PCl₃

 

a. Magnesium sulfate

9. SO₂

 

b. Phosphorus trichloride

10. MgSO₄

 

c. Sulfur dioxide