Napisz symbolami;
-azotek magnezu
-seleno wodór
-amonniak (azot+ wodór)-
-węglik glinu
-tlenek manganu VII
-tlenek baru
-chlorek wapnia
-chlorek ołowiu II
-siarczek sodu
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Mg3N2
H2Se
NH3
Al4C3
Mn2O7
BaO
CaCl2
PbCl2
Na2S