Question

GIVE THE MAIN POSTULATES OF BOHR'S MODEL OF AN ATOM ....

Answer 1

As-Salamu-Alykum


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1▪ Electron revolvsnin an orbit around a nucleus .


2▪Electron does not radiate energy as long as it is present in an orbit ,electron absorb or radiafs energy whenever it jumps from higher orbit to lower orbit .

3▪ When electron jumps from higher orbit to lower orbit it loses energy and when it jumps from lower orbit to higher orbit it absorbs energy .

delta E =E2 _ E1 = h v (v=mu)

4▪ The angular momentum of the electron in the hydrogen ayom is quantized and can have values which are whole number multiple of h/2 pi

mvr=nh/2 pi

n=1,2,3.....


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