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  • What are the postulates of Bohr's model of an atom?

What are the postulates of Bohr’s model of an atom?
 

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Answer:

Postulates of Bohr’s Atomic Model are:

  • Electrons revolve around the nucleus in a fixed circular path termed “orbits” or “shells” or “energy level.”
  • The orbits are termed as “stationary orbit.”
  • Every circular orbit will have a certain amount of fixed energy and these circular orbits were termed orbital shells. The electrons will not radiate energy as long as they continue to revolve around the nucleus in the fixed orbital shells.
  • The different energy levels are denoted by integers such as n=1 or n=2 or n=3 and so on. These are called as quantum numbers. The range of quantum number may vary and begin from the lowest energy level (nucleus side n=1) to highest energy level.
  • The different energy levels or orbits are represented in two ways such as 1, 2, 3, 4…  or K, L, M, N….. shells.  The lowest energy level of the electron is called the ground state.
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