Binary Ionic Compounds Worksheet
A Grade 10 chemistry worksheet focusing on understanding, naming, and writing formulas for binary ionic compounds.
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Binary Ionic Compounds
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Read each question carefully and provide the best answer. Show all work for calculations.
Binary ionic compounds are formed between a metal and a nonmetal. They consist of a cation (positively charged ion) and an anion (negatively charged ion) held together by electrostatic forces.

1. Which of the following elements would most likely form a binary ionic compound with chlorine?
Carbon
Oxygen
Sodium
Nitrogen
2. What is the correct name for the compound Li2S?
Lithium sulfide
Dilithium monosulfide
Lithium sulfur
Lithium(II) sulfide
3. An ionic bond is formed between a and a nonmetal.
4. In a binary ionic compound, the is always written first.
5. The suffix used for the anion in a binary ionic compound is .
6. Write the chemical formula for calcium bromide.
7. Name the compound with the formula Al2O3.
Match the chemical formula with its correct name.
8. KF
a. Magnesium sulfide
9. SrCl2
b. Potassium fluoride
10. MgO
c. Strontium chloride