Describe the bonding in the following compounds using

dot-cross diagrams to show the sharing of the electrons

between the atoms. To simplify the diagrams show only

the outer electrons for each atom.

ANH3 N – atomic number: 7 H - atomic number: 1
BH2S S – atomic number: 16 H – atomic number: 1
CN2 N – atomic number: 7
DH+ (hydrogen ion) added to ammonia NH3