Teaching UP PGT Mock Test Series 2024 Chemical Sciences Chemical Periodicity

What is the ground state electronic configuration for the Cu atom?

1

1s2 2s2 2p2 3s2 3p6 3d9 4s2

2

1s2 2s2 2p6 3s2 3p6 3d10 4s1

3

1s2 2s2 2p6 3s2 3p6 3d8 4s3

4

1s2 2s2 2p6 3s2 3p6 3d9 4s1 4p1

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