Question

is) Formula of a metallic Sulphide is M2S
The valence of the Metal M.
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Answer 1

valency of metal M is 1.

Answer 2

Answer:

hey mate!

Explanation:

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s block elements :- H Li Na K Rb Cs Fr

which is the answer~

why?

because, S is -2

and as its M2s

then it means valemcy of M is 1.

thanks!

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