Chem. [M3.L7] Activity 2. Review L5-L7

This could be the dot diagram of

• Mg

• Cl

• C

• O

This is a correct dot diagram for neon (Ne)

• true

• false

This is the correct dot diagram for nitrogen, group 15.

• true
• false

How many electrons should sodium, atomic number 11, have around its Lewis dot model?

• 1

• 2

• 3

• 4

How would you draw a Lewis dot diagram for Magnesium?

• 
• 
• 
• 

Which of the following shows a correct Lewis dot structure?

• 
• 
• 
• 

Which of these is correct?

• 
• 
• 

This is a correct dot diagram for carbon (C)

• true

• false

This is a correct dot diagram for oxygen (O)

• true
• false

If an atom has 3 valence electrons, what charge will it have as an ion?

• +3
• -3
• +5
• -5