Ions

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

What will nitrogen's charge be as an ion?

• +3
• -3
• 0
• -1

Cations are _______ that form ____________ ions and __________ electrons.

• nonmetals, positive, lose
• nonmetals, negative, gain
• metals, positive, gain
• metals, positive, lose

Anions are _______ that form ____________ ions and __________ electrons.

• nonmetals, positive, lose
• nonmetals, negative, gain
• metals, positive, gain
• metals, positive, lose

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

Which is most likely to form a negative ion?

• an element from group 17
• a metal
• an element from group 1
• an element with atoms that have eight valence electrons

When an atom loses a valence electron, it becomes a(n) _____________ ion.

• positive
• negative
• neutral
• polyatomic

Negative ions form when atoms _________ valence electrons.

• lose
• gain
• share