Question

Write down electronic configuration of
Co and fe2+​

Answer 1

Answer:

In order to write the Iron electron configuration we first need to know the number of electrons for the Fe atom (there are 26 electrons). Once we have the configuration for Fe, the ions are simple. When we write the configuration we'll put all 26 electrons in orbitals around the nucleus of the Iron Fe, Fe2+, and Fe3+ Electron Configuration Notation

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Answer 2

Answer:

Cobalt - {Ar}3d7 4s2

Iron-1s2 2s2 2p6 3s2 3p6 3d6 and Fe3+ is 1s2 2s2 2p6 3s2 3p6 3d5