Ionic bonding

Ionic bonds are formed between...

• Non - metals

• A metal and a non-metal

• Metals

How is an ionic bond formed?

• Sharing of electrons

• Delocalised electrons

• Transfer of electrons

An example of an ionic compound is Sodium Chloride, which is made from Na⁺ and Cl^- ions. Why do these ions form an ionic bond?

• They have like charges

• They are from the same group

• They are from the same period

• They have opposite charges

Lithium is in group 1 of the periodic table, which ion would it form?

• Li^-

• Li^2-

• Li⁺

• Li²⁺

Oxygen is in group 6 of the periodic table, which ion would it form?

• O^-

• O⁺

• O^2-

• O²⁺

 Which of the following is the correct formula for these two ions:
Al⁺³ +  S^-2

• AlS₃
• Al₂S₃
• Al₃S₂
• Al₃S

What type of elements will form an ionic bond?

• Metals + Metals
• Nonmetals + Nonmetals
• Metals + Nonmetals
• None of the above

To form a charge of +2 an atom must _ electrons.  To form -3 it must _ electrons.

• Gain 2; Lose 3
• Gain 3; Lose 2
• Lose 2; Gain 3
• Lose 3; Gain 2

Beryllium will ____ valence electrons when forming an ionic bond.

• lose 4
• gain 4
• lose 2
• gain 2

In the chemical formula for an ionic compound, which item is written first?

• positive ion
• negative ion
• subscript
• the female