" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
5 Fe - Fe -5,
2 NaCl - Na-2, Cl-2,
2 HNO₃ - H-2, N-2, O-6,
3 Zn - Zn-3
PbO₂ - Pb-1, O-2
CO₂ - C-1, O-2
4 K - K-4
3SO₃ - S-3, O-9
4 CrO₃ - Cr-4, O-12
2 N₂O5 - N-4, O-10