Question

The first ionisation potential of Na, Mg, Al and Si are in the order (a) Na < Mg > Al < Si (b) Na > Mg > Al > Si(c) Na < Mg < Al < Si (d) Na > Mg > Al < Si

Answer 1

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Answer 2

Answer:

Electronic configuration:-

1) Mg = 2,8,2

group:- 2 and period:-3

2) Al = 2,8,3

group:-3 and period:-3

3) Si = 2,8,4

group:-4 and period:-3

Explanation:

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