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Why chromium lose 1st e from …

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Why chromium lose 1st e from 4s instead of 3d...??

Posted by Deepak Singh 4 years, 4 months ago

CBSE > Class 11 > Chemistry

5 answers

Harish Thori 4 years, 4 months ago

Because half filled shells are more stable than another one

Dεερακ Ȿιηɠꜧ 4 years, 4 months ago

4s²

$\boxed{↑\↓}$ 3d⁴

$\boxed{↑\ \|\↑\ \|\ ↑\ \|\↑\ \| \ \}$
hear 4s is full filled so it is stable but 3d is not stable
<hr> 4s¹

$\boxed{↑\ }$ 3d⁵

$\boxed{↑\ \|\↑\ \|\ ↑\ \|\↑\ \|↑\ \}$
hear both 4s & 3d are more stable <hr><hr>

Dεερακ Ȿιηɠꜧ 4 years, 4 months ago

wait, are you sure you areDeepak Singh ?

Legendary 4 years, 4 months ago

Yeah see the energy order of subshells

Aadya Singh 4 years, 4 months ago

Bcoz it's more stable for them to have half-filled D-subshells ?

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