Na is the symbol for - Sodium, Mg is the symbol for - Magnesium, K is the symbol for - Potassium, Fe is the symbol for - Iron, Hg is the symbol for - Mercury, H is the symbol for - Hydrogen, F is the symbol for - Fluorine, C is the symbol for - Carbon, N is the symbol for - Nitrogen, P is the symbol for - Fosforouos,

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