Lewis Dot Diagram Worksheet
A Grade 9 Science worksheet focusing on Lewis Dot Diagrams, including drawing, identifying valence electrons, and understanding octet rule.
Includes
Standards
Lewis Dot Diagram Worksheet
Name:
Date:
Score:
Read each question carefully and provide the best answer. Show your work where necessary.
1. What do the dots in a Lewis Dot Diagram represent?
Protons
Neutrons
Valence electrons
Core electrons
2. How many valence electrons does an oxygen atom have?
2
4
6
8
3. The rule states that atoms tend to gain, lose, or share electrons in order to achieve a full outer shell of eight electrons.
4. In a Lewis Dot Diagram, a pair of shared electrons between two atoms represents a bond.
5. Draw the Lewis Dot Diagram for a nitrogen atom (N).
6. Explain why noble gases typically do not form chemical bonds, in terms of their electron configuration.
7. All elements aim to achieve a duet of electrons in their outermost shell.
True
False
8. The central atom in a Lewis structure is usually the least electronegative atom.
True
False
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