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Which of the following statements is wro...

Which of the following statements is wrong for the transition elements?

A

Transition elements are placed from 3rd to 6th period

B

Last electron enters in `(n-d)d` subshell

C

Exhibits variable valency

D

General electronic configuration is `(n-1) d^(1-10) ns^(1-2)`.

Text Solution

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The correct Answer is:
A
Transition elements elements 4th period 7-th period
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