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13-01-2021
Chemistry

contestada

Write the atomic number of the element with the following electronic configuration
1s2 2s2 2p6 3s2 3p6 3d7 4s2

Respuesta :

IceCoId IceCoId

02-03-2022

Answer:

Atomic Number: 27 (Co, Cobalt)

Explanation:

4s2 is before 3d7*

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