per -
One more oxygen. ex. ClO_4 (-) = perchlorate
Most common form e. ClO_3 (-) = chlorate
One less oxygen. ex. ClO_2 (-) = chlorite
hypo - _ - ite
Two less oxygen. ex ClO (-) = hypochlorite
mono -
one
di
two
tri
three
tetra -
four
penta -
five
hexa -
6
hepta -
7
octa -
8
nona -
9
deca - ten
10