1.

Write the names and symbols of the constituent eleements and identify their valencies from the molecular formulae given below.KCl, HBr, MgBr2, K2O, NaH, CaCl2, CCl4, HI, H2S, Na2S, FeS, BaCl2

Answer» Write the names and symbols of the constituent eleements and identify their valencies from the molecular formulae given below.

KCl, HBr, MgBr2, K2O, NaH, CaCl2, CCl4, HI, H2S, Na2S, FeS, BaCl2


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