ean of cobalt in [co(en)2cl2 ]^+

EAN is calculated as follows:

Cobalt:

Atomic number = 27

Ground Electronic configuration:  3d74s2

Co3+ electronic configuration : 3d64s0

EAN = 27 - (+3) + (4×2) + 2‚Äč×2 = 36

 [4 for Ethylenediamine as it is a bidentate ligand and 2 for one Cl each].

 

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