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Why was a change in the Bohr Model of at...

Why was a change in the Bohr Model of atom required? Due to which important development concept of movement of an electron in an orbit was replaced by the concept of probabiltiy of finding electron in an orbital?what is the name given to the changed model of atom?

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Bohr model postulated that electrons move along fixed circular paths which was contradicted by Heisenberg's uncertainty principle and de Broglie concept of due nature of electron. The concept of movement of electron in an orbit was replaced by concept of probability due to Heisenberg's uncertainty principle. The changed model of atom is called 'wave mechanical model of atom.
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