Объяснение:
2Ba + O2 = 2BaO
2W +3 F2 =2 WF3
2Ra + O2 =2 RaO
2Li + J2 = 2LiJ
4Mn + 7O2= 2Mn2O7
4As + 5O2 = 2As2O5
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Объяснение:
2Ba + O2 = 2BaO
2W +3 F2 =2 WF3
2Ra + O2 =2 RaO
2Li + J2 = 2LiJ
4Mn + 7O2= 2Mn2O7
4As + 5O2 = 2As2O5