Grade 9 Chemistry: Chemical Nomenclature
A worksheet covering the basics of chemical nomenclature for Grade 9 science students, including ionic and covalent compounds.
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Grade 9 Chemical Nomenclature Worksheet
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Read each question carefully and provide the best answer. This worksheet covers naming ionic and covalent compounds.
1. What is the correct name for the ionic compound with the formula CaCl₂?
Calcium dichloride
Calcium chloride
Chlorine calcide
Calcium(II) chloride
2. Which prefix is used to indicate four atoms of an element in a covalent compound?
Tri-
Penta-
Tetra-
Hexa-
3. The ending for the second element in an ionic compound is typically .
4. When naming covalent compounds, prefixes are used to indicate the number of of each element.
5. Write the chemical formula for sodium sulfide.
6. Name the covalent compound SF₆.
7. The compound Fe₂O₃ is named Iron(II) oxide.
True
False
8. Covalent compounds are formed between a metal and a nonmetal.
True
False
Match the chemical formula with its correct name.
9. N₂O₄
a. Potassium iodide
10. KI
b. Dinitrogen tetroxide
11. CuO
c. Copper(II) oxide
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