Chemistry, asked by rajamanak2775, 1 month ago

Determine the valencies of H,Cl,O and Na from the molecular formula H2 ,HCL,H2O and Nacl

Answers

Answered by Amicalemnt

5

Answer:

h=1- cl=1- 0=2- na=1+

Explanation:

because valency we find them of cross

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