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प्रश्न
Give a reason for the following:
The shells surrounding the nucleus of an atom are also called ‘energy levels’.
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उत्तर
Shells are called energy levels since while revolving in a shell an electron possesses a certain amount of energy.
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संबंधित प्रश्न
If K and L shells of an atom are full, then what would be the total number of electrons in the atom?
What is the maximum number of electrons which can be accommodated in the L shell of an atom?
An element has atomic number 13 and an atomic mass of 27.
(a) How many electrons are there in each atom of the element ?
(b) How are these electrons distributed in the various energy levels ?
What are ‘energy levels’?
Total number of electrons that can be accommodated in an orbit is given by __________.
Name an element which has the same number of electrons in its first and second shell.
The electronic configuration of an atom is 2,8,3. The valency of the atom is ______.
The electronic configuration of ‘Cl’ is ______.
Atomic numbers of A and B are 18 and 19 respectively. What is the electronic configuration of A and B?
How will you define the term ‘electronic configuration’?
