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Which Atoms Are Indicated by the Following Configurations? [Ar] 4s2 3d1. - Chemistry

Which atoms are indicated by the following configurations? 

[Ar] 4s2 3d1.

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Solution

[Ar] 4s2 3d1

The electronic configuration of the element is [Ar] 4s2 3d1= 1s2 2s2 2p6 3s2 3p6 4s23d1.

∴ Atomic number of the element = 21

Hence, the element with the electronic configuration [Ar] 4s2 3dis scandium (Sc).

Concept: Quantum Mechanical Model of the Atom - Electronic Configuration of Atoms
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APPEARS IN

NCERT Class 11 Chemistry Textbook
Chapter 2 Structure of Atom
Q 23.3 | Page 66
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