Questions on Ionic Bonding

1.               Draw dot and cross diagrams to show how the ionic bond is formed in:

a)    sodium fluoride (NaF)

b)    calcium oxide (CaO)

c)     Potassium oxide (K2O)

d)    Magnesium bromide (MgBr2)


2.               Write the electron configuration in terms of s, p and d energy sub-levels of:

a)    a chlorine ion

b)    a bromide ion

c)     a sulphur atom

d)    an oxide ion


3.               Work out the formulae of the following ionc compounds

a)    sodium sulphide

b)    calcium bromide

c)     aluminium oxide

d)    magnesium nitride

(Hint, draw dot and cross diagrams first).