Assertion: Helium is placed in group 18 along with p-block elements. Reason: It shows properties...

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Assertion: Helium is placed in group 18 along with p-block elements.
Reason: It shows properties similar to p-block elements
(a) Both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
(b) Both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
(c) Assertion is correct but Reason is incorrect
(d) Assertion is incorrect and the Reason is correct.
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