Assign oxidation numbers to each element in the following: \table[[a)
BiO_(3)^(-)
,B,0,b)
Mn(SO_(4))_(2)
,Mn,
S
,0],[,,,,],[c)
N_(2)H_(4)
,N,H,d),
Mg(BrO_(4))_(2)
,Mg,Br,0],[,,,,],[e)
K_(2)O_(2)
,K,0,{ \table[[f)
VO_(4)^(3-)