LEWIS STRUCTURE

This is a correct dot diagram for oxygen (O)

• true
• false

Tags

NGSS.HS-PS1-1

This is a correct Lewis dot diagram for fluorine (F)

• true
• false

Tags

NGSS.HS-PS1-1

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

• 2
• 8
• 6
• 18

Tags

NGSS.HS-PS1-1

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

• 4
• 6
• 8
• 2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

When writing Lewis Structures, only __________ electrons are used.

• Inner shell
• Core 
• Valence
• Stable

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the correct Lewis Structure for ammonia NH3

• 
• 
• 
• 

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which is the correct molecular structure for carbon dioxide?

• 
• 
• 
• 

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

• 2
• 8
• 0
• 4

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

• A
• B
• C
• D

Tags

NGSS.HS-PS1-1

Each line in a Lewis Structure represents __________ electron(s).

• 3
• 2
• 1
• 4