Review of Lewis Dot Structures

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

• 1
• 2
• 3
• 4

Tags

NGSS.HS-PS1-1

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

• 1
• 3
• 4
• 5

This is a correct dot diagram for oxygen (O)?

• true

• false

Tags

NGSS.MS-PS1-1

This could be the dot diagram of

• Si

• Br

• B

• S

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How would you draw a Lewis dot diagram for Magnesium?

• 
• 
• 
• 

Tags

NGSS.HS-PS1-1

Which of the following shows a correct Lewis Dot Structure?

• 
• 
• 
• 

Tags

NGSS.HS-PS1-2

Which of these Lewis Dot Structures is correct?

• 
• 

Tags

NGSS.HS-PS1-1

How many electrons does Si contain? (click to see image)

• 14
• 28
• 2
• None of these

Tags

NGSS.HS-PS1-1

How many electrons does potassium K contain? (click to see image)

• 19
• 39
• 20
• 40

Tags

NGSS.HS-PS1-1

What's a valence electron?

• electrons in the second energy level
• electrons in the outermost energy level
• the atomic number
• electrons in the first level

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2