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Ion Formation Worksheet

Explore the process of ion formation, including the roles of protons, neutrons, and electrons, and the difference between cations and anions.

Grade 8 Science ChemistryIon Formation
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Includes

Multiple ChoiceFill in the BlanksTrue / FalseShort Answer

Standards

MS-PS1-1

Topics

chemistryionsatomselectronsgrade8
6 sections · Free to use · Printable
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Ion Formation Worksheet

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Read each question carefully and answer to the best of your ability. This worksheet will test your knowledge of ion formation.

1. What is an ion?

a

An atom with an equal number of protons and electrons.

b

An atom that has gained or lost electrons, resulting in a net electrical charge.

c

A neutral atom with no electrical charge.

d

A molecule composed of two or more atoms.

2. What is the charge of a cation?

a

Negative

b

Positive

c

Neutral

d

Variable

3. When an atom loses an electron, it forms a   ion, which has a   charge.

4. An atom that gains electrons forms an   ion, which has a   charge.

5. Protons are negatively charged particles found in the nucleus of an atom.

T

True

F

False

6. The number of protons in an atom determines its atomic number and its identity as an element.

T

True

F

False

7. Explain the difference between a cation and an anion.

8. Describe how an atom becomes positively charged.