Q.

An element with atomic number 112 has been made recently. It should be

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a

an actinide

b

a transition metal

c

a noble gas

d

a lanthanide

answer is B.

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Detailed Solution

The electronic configuration of given element with atomic number 112 is [Rn]865f14,7s2,6d10. As it has completely filled orbitals, thus it belongs to transition series.
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An element with atomic number 112 has been made recently. It should be