Can anyone tell me aufbau principle?
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What is the Aufbau Principle?
The Aufbau principle dictates the manner in which electrons are filled in the atomic orbitals of an atom in its ground state.
It states that electrons are filled into atomic orbitals in the increasing order of orbital energy level.
According to the Aufbau principle, the available atomic orbitals with the lowest energy levels are occupied before those with higher energy levels.
The Aufbau principle can be used to understand the location of electrons in an atom and their corresponding energy levels. For example, carbon has 6 electrons and its electronic configuration is 1s2 2s2 2p2.
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