Ionic Bonding and Ionic Compounds

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

Which of the below is an ionic compounds?

• Ni

• MgCl₂

• H₂O

• CH₄

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⁺

Nitrogen will form which of the following ions?

• N
• N^-3
• N^-5
• N⁺⁵

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

Which is the correct name for CaBr₂?

• Calcium Bromine
• Bromine Calcium
• Calcium Bromide
• Carbon and Bromine