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Write the electron configuration of an atom of the element highlighted in this outline of the Periodic Table: 1 Не Ne 2 Ar 3
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Answer #1

Solution:-

This is Co element. It's atomic number 27.

Electronic configuration is 1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 4s^2, 3d^7.

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