Question

why are orbitals introduced in an atom​

Answer 1

Answer:

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Explanation:

The orbits have quantized sizes and energies. Energy is emitted from the atom when the electron jumps from one orbit to another closer to the nucleus. ... In the Bohr atom electrons can be found only in allowed orbits, and these allowed orbits are at different energies.

Answer 2

In atomic theory and quantum mechanics, an atomic orbital is a mathematical function describing the location and wave-like behavior of an electron in an atom. This function can be used to calculate the probability of finding any electron of an atom in any specific region around the atom's nucleus.