IONS

What will nitrogen's charge be as an ion (What is the charge of the nitride ion)?

• +3
• -3
• 0
• -1

How many electrons will a neutral potassium atom lose to become stable?

• 1
• 2
• 8
• 7

How many total electrons does O^-2 (an oxide ion) have?

• 8
• 10
• 6
• 18

How many total electrons does Mg⁺² (a magnesium ion) have?

• 10
• 12
• 14
• 22

How many total electrons does Na⁺¹ (a sodium ion) have?

• 10
• 11
• 12
• 22

Cations are

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

Negative ions (anions) form when neutral atoms _________ valence electrons.

• lose
• gain
• share

What charge will an oxide ion have? 

• +1
• -1
• +2
• -2

If an element has 3 valence electrons, what charge will its ion most likely have?

• +3
• +5
• -3
• -5

Magnesium's ion is:

• Mg⁺¹
• Mg⁺²
• Mg^-1
• Mg^-2