Asked by shaje

i don't really get the idea of what a poly atimic ions is. i couldn't understand the meaning from my textbook. can u plz explain it to me.

thanks alot!!!
Answered by bobpursley
poly atomic: make of more than one atom

CO3 is an example

polyatomic ion: made up of more than one atom, and has an excess charge

CO<sub>3</sub><sup>-2</sup>

You need to learn the formulas, names, and charges of these very quickly. I recommend flash cards.
Answered by shaje
flash card? what is that?
Answered by bobpursley
http://en.wikipedia.org/wiki/Flashcard