Q. 65.0( 3 Votes )

An element 'M' ha

Answer :

(a)The Electronic configuration can be written as 2, 8, 1

(b) The element has 1 valence electron, so, it will belong to group 1

(c) Elements with valence electrons 1,2 and 3 are metals and since 'M' element has 1 valence electron. So, it is a metal.

(d) The Formula of chloride of M can be written as follows:

So, the formula can be written as follows: MCl

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