Question

what are the postulate of bohr atomic theory

Answer 1

In 1913, Neil Bohr gave a theory regarding the distribution of electrons in extra nuclear space in an atom . The main postulates of the theory are listed:

1.in the extra nuclear portion of an atom , the electon i n well defined cercular paths known as orbits.

2.these orbits are also known as energy level or energy shell.
these have been designed as K,L,M,N,O,......(or as1,2,3,4,5,...)based on energy present .etc