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Sunny_sXe [5.5K]
3 years ago
14

Why do electrons enter the 4s orbital before entering the 3D orbital

Chemistry
1 answer:
garri49 [273]3 years ago
8 0

The 3d sublevel is not filled until after the 4s sublevel, because the 3d sublevel has more energy than the 4s sublevel, and less energy than the 4p sublevel. (:

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