Question

Write two important postulates of Bohr's model of an atom.
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Answer 1

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QUESTION:

Write two important postulates of Bohr's model of an atom.

ANSWER:

❭ The electrons revolving around the nucleus are confined to certain fixed orbits called shells or energy levels ,each of which is associated with a fixed amount of energy.

❭ While it is revolving around the nucleus in an orbit, an electron neither loses not gains energy.

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Answer 2

Answer:

Two important postulates of Bohr's model of atom are -

i- In an atom, the electrons revolve around the nucleus in definite circular paths called orbits or shells.

ii-Each shell or orbit corresponds to a definite energy . Therefore, the circular orbits are also known as energy levels or energy shells.