What are "d"-block elements?...

What are "d"-block elements?

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Why are d-block elements called transition elements ?

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Knowledge Check

Some statements are given below. Among them, the correct statement are a) All transition elements are d - block elements b) All d- block elements are transition elements c) Helium is a inert gas d) Aluminium is a respresentative element

A

All are correct

B

Only a, c and d are correct

C

Only b,c and d are correct

D

Only a and c are correct

Liquid metal among d-block elements is

A

Hg

B

Zn

C

Nb

D

Cd

The general electronic configuration of d-block elements is

A

`ns^(1 - 2) (n - 1) d^(1 - 10)`

B

`ns^2 (n - 1)d^1 (n - 2) f^(1 - 14)`

C

`ns^(1 - 2) (n-1)d^(1 - 9)`

D

`ns^(1 - 2) np^6 (n-1)d^(1 - 10)`

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Why are f-block elements placed below the main table?

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The correct statement in respect of d-block elements is

NCERT TELUGU-D-BlOCK ELEMENTS-SELF EVALUATION (ANSWER IN ONE OR TWO SENTENCES)

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