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Lewis Structures and Polarity

Authored by Alison Walker

Science

9th - 12th Grade

NGSS covered

Used 12+ times

Lewis Structures and Polarity
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23 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 2 pts

According to the octet rule most elements need _______ valence electrons.

2
8
6
18

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

2.

MULTIPLE CHOICE QUESTION

20 sec • 2 pts

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

4
6
8
2

Tags

NGSS.MS-PS1-1

3.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

Which of the following is the correct Lewis dot structure for the molecule fluorine (F2)?

A
B
C
D

4.

MULTIPLE CHOICE QUESTION

20 sec • 3 pts

How many valence electrons are in Phosphorus?

15
4
5
31

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

5.

MULTIPLE CHOICE QUESTION

20 sec • 3 pts

How many electrons does each line indicate are shared?

1
2
3
4

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

When writing Lewis Structures, only __________ electrons are used.

Inner shell
Core 
Valence
Stable

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

7.

MULTIPLE CHOICE QUESTION

1 min • 7 pts

What is the correct Lewis Dot Structure for ammonia NH3

Media Image
Media Image
Media Image
Media Image

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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