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Lewis Dot Diagram Worksheet

A Grade 7 Science worksheet focusing on understanding and drawing Lewis Dot Diagrams for various elements, aligning with basic chemistry principles.

Grade 7 Science ChemistryLewis Dot Diagram
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Includes

Short AnswerFill in the BlanksMultiple ChoiceTrue / FalseCustom

Standards

NGSS.MS-PS1-1NGSS.MS-PS1-2

Topics

Lewis Dot DiagramChemistryGrade 7ScienceAtomsValence Electrons
7 sections · Free to use · Printable
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Lewis Dot Diagram Worksheet

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Read each question carefully and answer to the best of your ability. This worksheet will test your knowledge of Lewis Dot Diagrams and valence electrons.

1. What are valence electrons and why are they important in chemistry?

2. A Lewis Dot Diagram uses dots to represent the   electrons of an atom.

3. The number of valence electrons an atom has is typically determined by its   in the periodic table.

4. How many valence electrons does an atom of Oxygen (O) have?

a

2

b

4

c

6

d

8

5. Which of the following elements has 7 valence electrons?

a

Carbon (C)

b

Sodium (Na)

c

Fluorine (F)

d

Neon (Ne)

6. All atoms strive to achieve a full outer shell of 8 valence electrons (octet rule).

T

True

F

False

7. Draw the Lewis Dot Diagram for the following elements:

a) Carbon (C)

b) Neon (Ne)

c) Sodium (Na)