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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