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Write down the electronic configuration of: (i) Co2+ (ii) Lu2+
CBSE | Chemistry | Class 12 | NCERT | The d & f Block Elements
Write down the electronic configuration of: (i) Co2+ (ii) Lu2+

The electronic configuration of the given elements in their respective oxidation states are:

(i) Co2+: 1s2 2s2 2p6 3s2 3p6 3d7

Or, [Ar]18 3d7

(ii) Lu2+: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f14 5d1 Or, [Xe]54 4f14 5d1

i

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