Question

The electronic configuration of some elements are given below :

a) 1 s2 b) 1 s2

2 s2

2P6

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Answer 1

Answer:

(i) (A) Mg (Z=12) (B) Ne (Z=10) (C) N (Z=7) (D) Na (Z=11) (E) F (Z=9)

(ii) D: Na is alkali metal.

(iii) E: F belongs to the halogen.

(iv) D: Na is alkali metal.

(v) B: Ne an inert gas.