There are ____ Bohr’s postulates for the hydrogen atom model.

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Detailed Solution

Concept: There are 3 Bohr’s postulates for the hydrogen atom model.
Here we have to write Bohr’s postulates by using Bhor’s properties.
There are three postulates of Bohr for the hydrogen atom model. These are as per the following In an atom, the (negatively charged) electron revolves around the positively charged nucleus in a definite circular path.
The electron circles around the nucleus in discrete circular orbits known as stationary orbits without emitting radiant energy. These are known as stable orbits or non-radiating orbits.
Second Postulate: Electrons circle the nucleus only when their angular momentum is an integral multiple of h/2.
Third Postulate: When an electron transitions from one of its non-radiating orbits to a lower energy orbit, a photon with energy equal to the energy difference between the two states is emitted.
Quantize the angular momentum of an electron in its orbit.
An electron makes a transition from one of its non-radiating orbits to another of lower energy difference between the two states.
Hence, the answer is 3.

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