Unit 3 Review

• 2
• 8
• 3
• 13

• 4
• 8
• 18
• 36

• 14
• 4
• 3
• 28

• 15
• 16
• 5
• 6

• 4
• 5
• 6
• 7

Cations are

• positive
• negative
• on the right side of the periodi table.
• nonmetals

Which of the following would produce an anion?

• Ca
• Al
• K
• F

Valence electrons are: 

• Electrons farthest away from the nucleus
• Electrons closest to the nucleus
• Electrons that just come and go - they don't stay with the atom

Ions are: 

• atoms with a positive or negative charge
• atoms with no charge
• atoms with ONLY a positive charge
• atoms with ONLY a negative charge

What is the charge does a sodium ion have?

• +2
• +1
• -1
• -2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2