5.3 Ionic Bonding

Lead Chloride is an ionic compound, made up from Pb²⁺ ions and Cl^- ions. Which is the correct formula for this compound?

• PbCl₃

• PbCl

• PbCl₄

• PbCl₂

Magnesium Hydroxide is an ionic compound made up from Mg²⁺ and OH^- ions. Which is its correct formula?

• MgOH

• MgOH₂

• Mg(OH)₂

• MgO

Beryllium will ____ valence electrons when forming an ionic bond.

• lose 4
• gain 4
• lose 2
• gain 2

Magnesium bromide is an ionic compound with the chemical formula MgBr₂.  What does the "2" tell you?

• There are 2 bromide ions for every magnesium ion
• Bromide has a 2- charge
• Bromide has a 2+ charge
• There are 2 magnesium ions to every bromide ion

What is the formula for aluminum fluoride?

• AlF
• Al₂F₃
• AlF₃
• Al₃F₂

Metals tend to 

• gain electrons
• lose electrons

What is the charge of ion "X" in the formula XF₃?

• +3

• -3

• +1

• -1

What is the charge of ion "X" in CaX?

• +1

• -1

• +2

• -2

Ionic bonds happen because of the ____ of valence electrons.

• sharing

• transfer

• keeping

• covering

An ionic bond is the attraction between:

• oppositely charged ions
• similarly charged ions
• neutral ions
• neutral atoms