Ions and Lewis Structures

How many electrons should Oxygen have around its Lewis dot model?

• 5
• 6
• 7
• 8

Which of the following shows a correct Lewis dot structure?

• 
• 
• 
• 

Tags

NGSS.HS-PS1-2

Which element could X represent?

• iron

• Chlorine

• Silicon

• Oxygen

Tags

NGSS.HS-PS1-1

How many electrons should Carbon have around its Lewis dot model?

• 1
• 3
• 4
• 5

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

• 2
• 8
• 6
• 18

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

• 4
• 6
• 8
• 2

Which of the following elements will NOT be surrounded by an octet of electrons in a correctly drawn Lewis structure?

• carbon
• oxygen
• chlorine
• hydrogen

How many electrons should Oxygen have around its Lewis dot model?

• 5
• 6
• 7
• 8

How many valence electrons are in Phosphorus?

• 15
• 4
• 5
• 31

Tags

NGSS.HS-PS1-1

This is a correct dot diagram for nitrogen (N)

• true
• false

Tags

NGSS.HS-PS1-1