Match of the following column:
Column-I Column-II
(a) Noble gas (p) Uranium
(b) Transition element (q) Radon
(c) Lanthanlde (r) Cerium
(s) Copper

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(a-q), (b-r), (c-s)

(a-p), (b-r), (c-r)

(a-q), (b-s), (c-r)

answer is B.

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Detailed Solution

Radon is a noble gas that belongs to the group 18. Because the ${Cu}^{2 +}$ ion has an incomplete d level, copper is known as the transition metal.
Cerium is the most plentiful lanthanide. It is more plentiful than tin or lead and nearly as abundant as zinc.

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