The valency of metal"M"is 3. what is the correct molecular formula of metal sulphate?

M2(So4)2

Explanation:

Here,

The symbol of metal is M and the symbol of sulphate is So4.

And the,

Valency of metal is 3 and the valency of sulphate is 2..

SO,

M So4

3 2

And when we cross multiply it the formula will be,

M2(So4)2

Hope that it will help u to understand !!

explanation:

since this is put under health, i would define "ethical (medical) behavior" the way the oath for doctors is recited.   "first do no harm."

but the term in general means when given a choice between right and wrong, we should always choose right. if we do, then we are practicing ethical behavior.