Нужно разделить на простые и сложные: NA, CaO, P4, Na2So4, O2, KCl, HCl, N2, Li, Li2S, O3, H2SO4, HNO3, Fe, H2O, NaCl

Нужно разделить на металлы и не металлы: Zn, O2, Cl, Cu, C, Ca, Na, P, H2, Fe, Ba
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