Question

Write the postulates of bohrs model of atom

Answer 1

Answer:

Postulates of Bohr’s Model of an Atom...

☞In an atom, electrons (negatively charged) revolve around the positively charged nucleus in a definite circular path called orbits or shells.

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☞Each orbit or shell has a fixed energy and these circular orbits are known as orbital shells.

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☞The energy levels are represented by an integer (n=1, 2, 3…) known as the quantum number. This range of quantum number starts from nucleus side with n=1 having the lowest energy level. The orbits n=1, 2, 3, 4… are assigned as K, L, M, N…. shells and when an electron attains the lowest energy level, it is said to be in the ground state.

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☞The electrons in an atom move from a lower energy level to a higher energy level by gaining the required energy and an electron moves from a higher energy level to lower energy level by losing energy.

Explanation:

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