. In which of the following the valency of each of the constituent elements is equal to the total number of atoms in one molecule of the compound?
2 points
HCl
H2S
CaO
MgCl2
Answers
Answered by
1
Answer:
mgcl2 bcz the valency of mg is 0 and cl is also 0
Explanation:
mg = 12
1s2 2s2 2p6 3s2
Answered by
1
Answer:
hcl
Explanation:
b is correct answer
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