Ionic Charges Worksheet
Explore the basics of ionic charges, including how atoms gain and lose electrons to form ions, and differentiate between cations and anions.
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Ionic Charges: Grade 7 Science
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Read each question carefully and answer to the best of your ability. This worksheet will test your understanding of ionic charges.
1. What is an ion?
An atom that has gained or lost protons
An atom that has gained or lost electrons
An atom with a neutral charge
A molecule made of two atoms
2. What charge does an atom have if it loses electrons?
Negative
Positive
Neutral
No charge
3. A positively charged ion is called a .
4. A negatively charged ion is called an .
5. Atoms gain or lose to achieve a stable electron configuration.
6. Protons are the subatomic particles that determine an atom's charge.
True
False
7. An atom becomes an ion when it changes the number of neutrons.
True
False
8. Explain how an atom becomes a cation.
9. Describe the difference between an atom and an ion.
10. Look at the Bohr model of an atom below. If this atom loses one electron, what will be its charge?
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