copper (I)
cuprous
copper (II)
cupric
iron (II)
ferrous
iron (III)
ferric
mercury (I)
mercurous
mercury (II)
mercuric
lead (II)
plumbous
lead (IV)
plubmic
tin (II)
stannous
tin (IV)
stannic
cobalt (II)
cobaltous
cobalt(III)
cobaltic