jack355 jack355

Today at 12:53 AM
Chemistry

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cobalt is a transition metal. what is the electron configuration of the ion co2+

Answer :

LeChatNoir LeChatNoir

Today at 12:58 AM

Co: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁷
Co(2+): 1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁷

or....
Co: K² L⁸ M¹⁵ N²
Co(2+): K² L⁸ M¹⁵

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