Describe neils bohr model of an atom
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Neil Prize winner , neil bohr in 1922 revised Rutherford Model by suggesting that
1. the electrons were confined clearly into clearly defined orbits
2. they can jump between the orbits but could not freely spiral inward and outward in intermediate stages
3. an electron must absorb or emit specific amount of energy for transition between these fixed orbits
1. the electrons were confined clearly into clearly defined orbits
2. they can jump between the orbits but could not freely spiral inward and outward in intermediate stages
3. an electron must absorb or emit specific amount of energy for transition between these fixed orbits
Mohini768:
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According to Bohr
1.An atom is made up of 3 particles electrons, protons and neutrons. Due to the presence of equal number of electrons and protons, atom on the whole is electrically neutral.
2. The protons and neutrons are located inside the nucleus due to which nucleus is positively charged.
3. The electrons revolve around the nucleus in fixed paths called orbots or shells or energy levels. The energy levels are represented as K,L,M,N or 1,2,3,4,5,.....
4. There is a limit to the number of electrons each energy level can hold. It is given by the formula 2n^2 where n is the orbit number .
5. Each energy level is associated with fixed amount of energy, the shell nearest to the nucleus having minimum amount of energy and the one farthest having maximum energy.
6. There is no change in the energy of electrons as they keeping revolving in the same shell and the atom remains stable.
Hope it helps...
1.An atom is made up of 3 particles electrons, protons and neutrons. Due to the presence of equal number of electrons and protons, atom on the whole is electrically neutral.
2. The protons and neutrons are located inside the nucleus due to which nucleus is positively charged.
3. The electrons revolve around the nucleus in fixed paths called orbots or shells or energy levels. The energy levels are represented as K,L,M,N or 1,2,3,4,5,.....
4. There is a limit to the number of electrons each energy level can hold. It is given by the formula 2n^2 where n is the orbit number .
5. Each energy level is associated with fixed amount of energy, the shell nearest to the nucleus having minimum amount of energy and the one farthest having maximum energy.
6. There is no change in the energy of electrons as they keeping revolving in the same shell and the atom remains stable.
Hope it helps...
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