Question

what is orbital and what is the importance of it

Answer 1

Answer:

An orbit is a regular, repeating path that one object in space takes around another one. An object in an orbit is called a satellite. A satellite can be natural, like Earth or the moon. Many planets have moons that orbit them.

Answer 2

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What is orbital? and What is the importance of it?

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The idea of energy quantization was introduced in Atomic physics in 1913 with the first explanation of hydrogen electronic structure by the Denis Neils Bohr. Inspired by Planck's theory of black–body radiation admitted that the electrons in hydrogen atom can only exist in stationary state with a well-defined energy. Bohr defined that electrons in such states follow classical circular orbits around the nucleus.

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Orbitals are a key concept in quantum mechanics. We stress that it is the electron density which can be experimentally observed and not the orbitals themselves. We would like to stress that orbitals are only genuine wavefunctions in one-electron systems, such is the hydrogen atom.

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