O - oxygen, C - carbon, H - hydrogen, N - nitrogen, Ca - calcium, P - phosphorus, K - potassium, Na - sodium, Cl - chlorine, Mg - magnesium, S - sulfur, Al - aluminum, Zn - zinc, Cu - copper, Ag - silver, Au - gold, Periodic Table - all elements, He - helium, Li - lIthium, B - Boron, Be - beryllium, Si - silicon, Ar - argon, Fe - iron, F - fluorine, Ne - neon, Mn - manganese, Ni - Nickel,

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