Cations Worksheet
Explore the properties, formation, and importance of cations in chemistry with this Grade 11 worksheet.
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Cations: An Introduction
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Read each question carefully and provide your best answer. Show all work for calculations.
1. Which of the following best describes a cation?
An atom that has gained electrons and has a negative charge.
An atom that has lost electrons and has a positive charge.
A neutral atom with an equal number of protons and electrons.
A molecule composed of two or more atoms.
2. Which of the following elements is most likely to form a cation?
Chlorine (Cl)
Oxygen (O)
Sodium (Na)
Neon (Ne)
3. Cations are formed when an atom one or more electrons.
4. The charge of a cation is always .
5. Group 1 elements typically form cations with a charge of .
6. All metals form cations.
True
False
7. The size of a cation is generally smaller than its parent atom.
True
False
8. Explain why metals tend to form cations.
Match the ion with its correct charge.
9. Lithium
a. 2+
10. Calcium
b. 1+
11. Aluminum
c. 3+
12. Write the electron configuration for a neutral sodium atom (Na) and for a sodium cation (Na+).