Question

.The electronic configuration of the element which is just above the element with atomic number 43 in the same group is

1 point

1s2 2s2 2p6 3s2 3p6 3d5 4s2

1s2 2s2 2p6 3s2 3p6 3d5 4s3 4p6

1s2 2s2 2p6 3s2 3p6 3d6 4s2

1s2 2s2 2p6 3s2 3p6 3d7 4s2


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Answer 1

Answer:

I thinck option ➪ 3 rd is correct

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