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  • 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

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

Answers (1)

Electronic Configuration

 Valence electrons Metal / Non-Metal Atomic Number

Name of the elements

2,8,2

 2 Metal 2+8+2=12

Magnesium
2,8,1 1 Metal 2+8+1=11 Sodium
2,8,7 7 Non-Metal 2+8+7=17 Chlorine
2,1 1 Metal 2+1=3 Lithium

 

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