The distribution of electrons in energy levels

The video tutorial explains how electrons are distributed across energy levels in an atom using the formula 2n^2. It provides examples with nitrogen and aluminum atoms, detailing their electronic configurations based on their atomic and mass numbers. The nitrogen atom has 7 electrons distributed as 2 in the K level and 5 in the L level. The aluminum atom has 13 electrons, with 2 in the K level, 8 in the L level, and 3 in the M level. This method helps in understanding the electronic configuration of any atom.

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