1.3.1: Ionic bonding

Question 1

Ionic bonding

Answer 1

The electrostatic attraction between ions of opposite charges

Question 2

How strong are ionic bonds?

Answer 2

Very strong
stronger than any intermolecular forces
less strong than covalent

Question 3

Ions form to

Answer 3

make noble gas configurations

Question 4

carbonate and nitrate ions charges

Answer 4

CO3 2-

NO3 -

Question 5

hydroxide, sulphate and ammonium ions charges

Answer 5

OH-
SO4 2-
NH4 +

Question 6

Principle of electroneutrality

Answer 6

Overall charge must be zero

Question 7

Structure of ionic compounds

Answer 7

Giant ionic lattices

Question 8

Giant ionic lattice structure

Answer 8

Repeating units of identical structure

Question 9

Ionic compounds properties

3

Answer 9

dissolve in water
conduct electricity when molten or dissolved
high melting/boiling points

Question 10

Why do ionic compounds conduct electricity when molten or dissolved

Answer 10

they have free ions that can move and carry charge

Question 11

Why do ionic compounds have high melting points

Answer 11

Strong ionic bonds require lots of energy to break