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Valence Electrons Worksheet

This worksheet covers the basics of valence electrons, their importance in chemical bonding, and how to determine their number for various elements.

Grade 9 Science ChemistryValence Electrons
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Includes

Multiple ChoiceFill in the BlanksTrue / FalseShort AnswerCustom

Standards

HS-PS1-1

Topics

chemistryvalence electronsatomic structurebonding
7 sections · Free to use · Printable
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Valence Electrons Worksheet

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Read each question carefully and answer to the best of your ability. Show all your work for calculations.

1. What are valence electrons?

a

Electrons in the innermost shell

b

Electrons involved in nuclear reactions

c

Electrons in the outermost shell of an atom

d

Electrons that orbit the nucleus randomly

2. The number of valence electrons often determines an element's chemical  .

3. Elements in the same group (column) of the periodic table have the same number of   electrons.

4. All atoms strive to achieve a stable electron configuration, usually with eight valence electrons (octet rule).

T

True

F

False

5. Explain why valence electrons are important in chemical bonding.

6. Observe the diagram of an atomic structure below. Identify the valence electrons.

Atomic Structure Diagram