Valence Electrons

• 2
• 8
• 3
• 13

• 2
• 3
• 5

• 12
• 7
• 8
• 14

• 7
• 8
• 9
• 10

Valence electrons are the...

• Innermost electrons
• Middle electrons
• Outermost electrons
• Any electrons

How many valence electrons does carbon have?

• 4

• 5

• 6

• 7

USE THE PERIODIC TABLE

How many valence electrons does sodium have?

• 1

• 2

• 3

• 4

USE THE PERIODIC TABLE

How many valence electrons does Phosphorus have?

• 31

• 5

• 15

• 4

Elements in the same column of the periodic table always have the same # of _______ as one another.

• Protons
• Neutrons
• Electrons
• Valence Electrons

How many valence electrons are in an atom of Ba?

• 2
• 8
• 4
• 1