The Quantum Mechanical model of electrons within an atom says

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Explanation:

According to the wave mechanical model of the atom, electrons in the atom exhibit wavelike properties.

Unlike in Bohr's model where electrons were believed to be found in orbits of specified energy, electrons are found in orbitals which are defined as regions in space within which there is a high probability of finding an electron in accordance with the Heisenberg uncertainty principle.

An orbital is described by four sets of quantum numbers.

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