September 2021 1 19 Report
В каком ряду указаны формулы веществ имеющих только ковалентную связь?
А)KCl,CO2,NaCl
B)Cl2,CH4,SO2
C)CaCl2,So2,H2O
D)NaF,NH3,H2S
E)P2O5,KCl,N2
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