Naming Binary Compounds Worksheet
A Grade 9 science worksheet on naming binary ionic and covalent compounds, covering rules and examples.
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Naming Binary Compounds
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Read each question carefully and follow the instructions to name the binary compounds or write their chemical formulas.
1. In a binary ionic compound, the metal is named first, followed by the nonmetal with the ending changed to .
2. When a metal can form more than one cation, a numeral is used to indicate the charge of the metal ion.
3. The chemical formula for calcium chloride is .
4. What is the correct name for the covalent compound N₂O₄?
Dinitrogen tetroxide
Nitrogen oxide
Dinitrogen quadoxide
Nitrogen tetraoxide
5. Which prefix is used to indicate four atoms of an element in a covalent compound?
Tri-
Penta-
Tetra-
Hexa-
6. Name the following binary ionic compounds:
a) NaCl
b) K₂S
c) FeO
d) CuCl₂
7. Name the following binary covalent compounds:
a) CO
b) SO₃
c) PCl₅
d) Cl₂O₇
8. Binary compounds always consist of one metal and one nonmetal.
True
False
9. Prefixes are used when naming both ionic and covalent binary compounds.
True
False
10. Write the chemical formula for the following compounds:
a) Sodium oxide
b) Dihydrogen monoxide
c) Iron(III) bromide
d) Sulfur hexafluoride