H3PO4: P(+5), H(+1), O(-2)P2O5: P(+5), O(-2)NH3: N(-3), H(+1)O2: O(0)NO: N(+2), O(-2)C2H4: C(-2), H(+1)H2O2: H2(+1), O(-1)N2: N(0)
H3PO4: P(+5), H(+1), O(-2)
P2O5: P(+5), O(-2)
NH3: N(-3), H(+1)
O2: O(0)
NO: N(+2), O(-2)
C2H4: C(-2), H(+1)
H2O2: H2(+1), O(-1)
N2: N(0)