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Match the following....

Match the following.

A

`Ato4,Bto3,Cto2,Dto1`

B

`Ato3,Bto4,Cto1,Dto2`

C

`Ato2,Bto1,Cto4,Dto3`

D

`Ato4,Bto3,Cto1,Dto2`

Text Solution

Verified by Experts

The correct Answer is:
B
Rubidium `(""_(37)RB^(85))` was discovered by Bunsen in 1861. it is s-block element present in group I A.
Platinum, Pt (Z-78) present in the 5d-series of d-block element.
Germanium `(""_(32)Ge^(72))` is also known as ekasilicon.
Polonium `(""_(84)Po^(210))` is a radioactive chalcogen and is most metallic member of this group.
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