The energy levels or energy shells are filled in order of increasing __________ .

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Solution

Energy levels or Energy shells- They are also called Electron shells, where the probability of finding the electron is maximum.
The energy levels or energy shells are filled in order of increasing atomic number.

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The energy levels or energy shells are filled in order of increasing _______.

Q. In

H

-atom or one electron system energy levels of orbitals of a shell are degenerates whereas in many electron system energy levels of orbitals of a shell are non degenerates because of :

Q. (a) As long as an electron revolves in a particular orbit, the electron does not lose its energy. Therefore, these orbits are called stationary orbits and the electrons are said to be in stationary energy states.
(b) Each orbit or shell is associated with a definite amount of energy. Hence these are also called energy levels.
(c) An electron jumps from a lower energy level to a higher energy level, by absorbing energy. It jumps from a higher energy level to a lower energy level, by emitting energy in the form of electromagnetic radiation.
(d) Electrons move around the nucleus in specified circular paths called orbits or shells or energy levels and are designated as K, L, M, N shells respectively.

Arrange the above postulates of Bohr's theory in a correct sequence:

The postulates of Bohr's atomic model are given below. Arrange them in the correct sequence:
(1) As long as the electron revolves in a particular orbit, the electron does not lose its energy. Therefore, these orbits are called stationary orbits, and the electrons are said to be in stationary energy states.
(2) Electrons revolve around the nucleus in specified circular paths called orbits or shells.
(3) The energy associated with a certain energy level increases with the increase of its distance from the nucleus.
(4) An electron jumps from a lower energy level to a higher energy level by absorbing energy. But when it jumps from a higher to lower energy level, energy is emitted in the form of electromagnetic radiation.
(5) Each orbit or shell is associated with a definite amount of energy. Hence, these are also called energy levels and are designated asK, L, M, and N respectively.

Q. For a given principal level n =4, the energy of its sub shells is of the order :

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The energy levels or energy shells are filled in order of increasing __________ .

Energy levels or Energy shells- They are also called Electron shells, where the probability of finding the electron is maximum.The energy levels or energy shells are filled in order of increasing atomic number.

Energy levels or Energy shells- They are also called Electron shells, where the probability of finding the electron is maximum.
The energy levels or energy shells are filled in order of increasing atomic number.