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Unit 2 Chemistry Test

Authored by Rebecca Mathis

Chemistry

9th - 12th Grade

NGSS covered

Used 9+ times

Unit 2 Chemistry Test
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21 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

This is a correct dot diagram for fluorine (F)

true
false

Tags

NGSS.HS-PS1-1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Hydrogen needs _____ electrons in its valence shell to be stable.

4
6
8
2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the correct Lewis Dot Structure for ammonia NH3

Media Image
Media Image
Media Image
Media Image

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which is the correct Lewis structure for carbon dioxide?

Media Image
Media Image
Media Image
Media Image

Tags

NGSS.HS-PS1-1

5.

MULTIPLE CHOICE QUESTION

1 min • 12 pts

Media Image

How many total electrons are participating in bonding in the molecule CH2O?

8

4

2

3

Tags

NGSS.HS-PS1-2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 A lone pair is defined as

A pair of bonding electrons
One non-bonding electron
A pair of non-bonding electrons
A pair of electrons on the central atom

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Choose the correct shape for this molecule:

Trigonal planar

Trigonal pyramidal

Bent

Tetrahedral

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