posted by write2khin on .
Two ions which have a simlar shape are?
a. CO32- and SO32-
b. OH- and SO32-
c. PO33- and NO3-
d. SO32- and PO33-
e. CO32- and PO33-
I think (a) not sure plez expalin to me
The right answer is b. OH- and SO32-