Valence Electrons and Dot Diagrams

Valence electrons are the

• outer most electrons in an atom

• total electrons in an atom

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The _____ the element is in determines the number of valence electrons it has.

• period/row

• group/column

Tags

NGSS.HS-PS1-1

This could be the dot diagram of

• Mg

• Cl

• C

• O

Tags

NGSS.HS-PS1-1

This is a correct dot diagram for nitrogen (N)

• true

• false

Tags

NGSS.HS-PS1-1

This is a correct dot diagram for neon (Ne)

• true

• false

Tags

NGSS.HS-PS1-1

This could be the dot diagram of

• P
• Ar
• Na
• B

Tags

NGSS.HS-PS1-1

This could be the dot diagram for...

• He

• Al

• Be

• Si

Tags

NGSS.HS-PS1-1

Which of these is correct?

• 
• 
• 

This could be the dot diagram of 

• Ne
• Si
• Al
• Be

Tags

NGSS.HS-PS1-1

USE THE PERIODIC TABLE

How many valence electrons does Phosphorus have?

• 31

• 5

• 15

• 4

Tags

NGSS.HS-PS1-1