What makes the polyatomic cutions/anions have the charge they have? For example, why is SO4 2negative and NH4 1positive and not 3negative and 2positive? Thank you in advance :)

Question

chmvijay · Answer

Bcoz charge on poly atomic is due to the some of the  charge of each ion constituting that polyatomic
in some polyatomics they are balanced and total charge will be zero 
but in some cases its not sio they remain as charged + ve ly or -vely

chmvijay · Answer

if want any more explanation let me know

anonymous · Answer

I get it now! Thank you very much :)

abb0t · Answer

Because* @chmvijay