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Reactivity of Actinides

When 4p orbit...

Question

When 4p orbitals in an atom are filled completely, the next electron goes into:

A

5s

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B

3d

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C

4d

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D

4s

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Solution

The correct option is A 5s
4d &4f orbitals are also present but once 4p is completely filled, next electron goes to 5s because the energy of 5s is less than 4d & 4f because of the aufbau's rule.

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