The main postulates of bohrs model of an atom
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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 as orbits or shells. ... This range of quantum number starts from nucleus side with n=1 having the lowest energy level.
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The postulates of Bohr's model of an atom are:
• The electron revolve around the nucleus in circular path called orbit. They have definite energy associated with them.
• Only those orbits are permitted in which the angular momentum of electron is a whole number multiple of H/2pi where H = Planck's constant.
• The energy is emitted and absorbed by an atom only when electron moves from one orbit to another.
• The electron revolve around the nucleus in circular path called orbit. They have definite energy associated with them.
• Only those orbits are permitted in which the angular momentum of electron is a whole number multiple of H/2pi where H = Planck's constant.
• The energy is emitted and absorbed by an atom only when electron moves from one orbit to another.
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