Question

Which of the following electronic configuration represents metallic character ?

(A) 2, 8, 7

(B) 2, 8, 8

(C) 2, 8, 4

(D) 2, 8, 2​

Answer 1

Answer:

(D) 2, 8, 2

Explanation:

2, 8, 4=14 is Metalloid group

2, 8, 7=17 is Halogen group

2, 8, 8=18 is Noble gas group

2, 8, 2=12 is alkaline earth metals

So 2, 8, 2 represents metallic character

Answer 2

(D) 2, 8, 2

The less number of electrons in the last shell,the more metallic is the element.

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