InterviewSolution
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InterviewSolution
| 1. |
Why chromium lose 1st e from 4s instead of 3d...?? |
| Answer» Because half filled shells are more stable than another one<br>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><br>wait, are you sure you areDeepak Singh ?<br>Yeah see the energy order of subshells<br>Bcoz it\'s more stable for them to have half-filled D-subshells ? | |