Lewis Structure Quiz

What is the correct formula for this molecule?

• NH

• N₃H

• NH₃

• NH₄

Which of the following is the correct Lewis structure for the compound PBr₃?

• structure A

• structure B

• structure C

• structure D

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

• 2

• 8

• 6

• 18

In the correct Lewis structure for CH_4, how many unshared electron pairs surround the carbon?

• 2

• 8

• 0

• 4

This is a correct dot diagram for oxygen (O)

• true

• false

What group is Strontium (Sr) in?

• 1

• 2

• 3

• 4

How many valence electrons does Tin (Sn) have?

• 8

• 7

• 5

• 4

Which is the correct molecular structure for carbon dioxide?

• 
• 
• 
• 

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

• 4

• 6

• 8

• 2

Three pairs of electrons are shared in a

• single bond

• double bond

• triple bond

• quadruple bond