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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 5 years, 1 month ago

CBSE > Class 11 > Chemistry

5 answers

Harish Thori 5 years, 1 month ago

Because half filled shells are more stable than another one

Dεερακ Ȿιηɠꜧ 5 years, 1 month 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 5 years, 1 month ago

wait, are you sure you areDeepak Singh ?

Legendary 5 years, 1 month ago

Yeah see the energy order of subshells

Aadya Singh 5 years, 1 month ago

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

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