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Q.

Statement I ; Helium belongs to second group of modern periodic tableStatement II ; Electronic configuration of helium is 1s2

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a

Statements I and II are correct

b

Statement I is correct and statement II is incorrect

c

Statement I is incorrect and statement  II is correct

d

Statements I and II are incorrect

answer is C.

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Detailed Solution

Though the electronic configuration of helium is 1s2 it resembles in its properties with noble gases;It is placed in p- block of modern periodic table;
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