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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, 9 months ago

    CBSE > Class 11 > Chemistry
    • 5 answers

    Harish Thori 4 years, 9 months ago

    Because half filled shells are more stable than another one

    0Thank You

    Dεερακ Ȿιηɠꜧ 4 years, 9 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>

    0Thank You

    Dεερακ Ȿιηɠꜧ 4 years, 9 months ago

    wait, are you sure you areDeepak Singh ?

    1Thank You

    Legendary 4 years, 9 months ago

    Yeah see the energy order of subshells

    0Thank You

    Aadya Singh 4 years, 9 months ago

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

    2Thank You

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