Ions in Chemistry Worksheet
Explore the fundamental concepts of ions, including cations, anions, and their formation, with this comprehensive Grade 9 science worksheet.
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Ions in Chemistry
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Read each question carefully and answer to the best of your ability. Show all your work for calculations.
1. What is an ion?
An atom with a neutral charge
An atom that has gained or lost electrons
A molecule with a positive charge
A compound formed by sharing electrons
2. Which type of ion has a positive charge?
Anion
Cation
Isotope
Molecule
3. An atom becomes a positive ion by electrons.
4. An atom becomes a negative ion by electrons.
5. The force of attraction between oppositely charged ions is called an bond.
6. All atoms naturally have a neutral charge.
True
False
7. The number of protons determines the charge of an ion.
True
False
8. Explain the difference between a cation and an anion. Provide an example of each.
9. Describe how an atom of sodium (Na) can form an ion. What will be its charge?
Match the term on the left with its description on the right.
10. Cation
a. An atom that has gained electrons, resulting in a negative charge.
11. Anion
b. The outermost electrons of an atom that are involved in chemical bonding.
12. Valence electrons
c. An atom that has lost electrons, resulting in a positive charge.