Ionic Formulas Worksheet
A Grade 10 Science worksheet focusing on understanding and writing ionic chemical formulas.
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Ionic Formulas Worksheet
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Read each question carefully and provide the best answer. Good luck!
1. Which of the following elements is most likely to form an ionic bond with chlorine?
Carbon (C)
Oxygen (O)
Sodium (Na)
Nitrogen (N)
2. What is the charge of the calcium ion in an ionic compound?
+1
-1
+2
-2
3. An ionic bond is formed between a and a .
4. In an ionic compound, electrons are from one atom to another.
5. The chemical formula for sodium chloride is .
6. Explain the octet rule and how it applies to the formation of ionic bonds.
7. Observe the illustration below showing the formation of an ionic bond. Describe what is happening with the electrons between the two atoms.
Match the ion with its correct charge.
8. Potassium
a. -2
9. Oxide
b. +1
10. Aluminum
c. -1
11. Chloride
d. +3
Write the chemical formula for the following ionic compounds:
12. Magnesium bromide
13. Lithium oxide
14. Aluminum sulfide