Identify and name the metals out of the following

Question:

Identify and name the metals out of the following elements whose electronic configurations are given below :

(a) 2, 8, 2

(b) 2, 8, 1

(c) 2, 8, 7

(d) 2, 1.

Solution:

(a) Electronic configuration : 2, 8, 2 (Mg is a metal)

(b) Electronic configuration : 2, 8, 1 (Na is a metal)

(c) Electronic configuration : 2, 8, 7 (Cl is a non-metal)

(d) Electronic configuration : 2, 1 (Li is a metal)

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