aufbau states that you must fill the lowest energy orbital available before you can fill the next, but we have observed that atoms will fill their 4s orbitals before filling their 3d orbitals. how can we explain this?

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21-10-2022
Chemistry

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aufbau states that you must fill the lowest energy orbital available before you can fill the next, but we have observed that atoms will fill their 4s orbitals before filling their 3d orbitals. how can we explain this?

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kjuli1766 kjuli1766 · Answer 1 · 2022-10-27T08:23:58+02:00

Aufbau states that you must fill the lowest energy orbital 3d before 4s but we fill 4s before 3d because 3d orbitals have slightly more energy than 4s orbitals.

In atomic theory and quantum mechanics, an atomic orbital is a feature describing the location and wave-like conduct of an electron in an atom. This feature may be used to calculate the possibility of locating any electron of an atom in any specific location across the atom's nucleus.

An atomic orbital is a mathematical term in atomic concept and quantum mechanics that describes the location and wavelike behavior of an electron in an atom. Most of the electrons, each with its own spin quantum quantity s, will occupy every one of these orbitals.

Orbital holds electrons that range in an asset called spin. Orbital: A area of space within an atom in which an electron in a given subshell can be found. Any orbital can preserve most of the 2 electrons with contrary spin. the primary shell has one 1s orbital and holds 2 electrons.

Learn more about atomic orbitals here:-https://brainly.com/question/20319149

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