Ionic Charges Worksheet
A Grade 10 chemistry worksheet focusing on understanding and determining ionic charges, including the formation of ionic bonds.
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Ionic Charges: Grade 10 Chemistry
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Read each question carefully and answer to the best of your ability. Show all your work for calculations.
1. Which of the following elements is most likely to form a cation with a +2 charge?
Chlorine (Cl)
Oxygen (O)
Calcium (Ca)
Sodium (Na)
2. An anion is an ion with a charge.
positive
negative
neutral
variable
3. Atoms gain or lose electrons to achieve a stable electron configuration, typically resembling that of a gas.
4. When an atom loses electrons, it forms a positively charged ion called a .
5. The charge of an ion can be predicted by its group number on the table.
6. All elements in Group 17 (halogens) tend to form ions with a -1 charge.
True
False
7. Ionic bonds are formed between two nonmetals.
True
False
8. Explain how an ionic bond is formed between a metal and a nonmetal. You may refer to the diagram below.
Match the element with its most common ionic charge.
9. Magnesium (Mg)
a. -3
10. Sulfur (S)
b. +1
11. Potassium (K)
c. -2
12. Aluminum (Al)
d. +2
13. Nitrogen (N)
e. +3
14. Discuss the octet rule and its significance in the formation of ionic compounds. Provide examples of how different groups of elements achieve a stable octet.
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