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Chemical Bonds

Chemical Bonds

Assessment

Presentation

Science

7th Grade

Practice Problem

Medium

NGSS
HS-PS1-1

Standards-aligned

Created by

Meridith Rohlin

Used 5+ times

FREE Resource

41 Slides • 2 Questions

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Submit blank after class
Complete overdues

Reminders

Which of the following is an example of an endothermic reaction?
A. Campfire
B. Ice pack
C. Fire works

Question of the day:

Welcome to Science class
Tuesday March 17th 2026

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Fill in the Blanks

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Multiple Choice

Which of the following statements about Lewis structures is correct?

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Lewis structures show the valence electrons surrounding the symbol for an element.

2

Lewis structures show the atomic mass of an element.

3

Lewis structures show the number of protons in an element.

4

Lewis structures show the position of an element in the periodic table.

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Submit blank after class
Complete overdues

Reminders

Which of the following is an example of an endothermic reaction?
A. Campfire
B. Ice pack
C. Fire works

Question of the day:

Welcome to Science class
Tuesday March 17th 2026

Show answer

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