Question

5. Why was a change in the Bohr Model of atom required? Due to which important development
(s), concept of movement of an electron in an orbit was replaced by, the concept of probability of
finding electron in an orbital? What is the name given to the changed model of atom?
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Answer 1

Answer:

Heisenberg's uncertainty principle replaced the concept of orbit by orbital because both position and momentum can be calculated in the orbit of electron, which is impossible. The new changed model of atom was called wave mechanical model of atom.

Explanation:

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Answer 2

Answer:

Bohr Model atom suffered from certain limitaions. The concept of the movement of an electron in an orbit was no longer considered to be proper. The concept of probability of finding the electron in an atom was based upon Heiseberg's Uncertainty principle. The modified model of atom is known as quantum mechanical model.

Explanation: