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प्रश्न
Define the term of the electron.
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उत्तर
Electron [e]: “A sub-atomic particle having a unit negative charge and mass equal to 1/1837 of that of the hydrogen atom, revolve around the nucleus.” [−1e0]
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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?
Summarize the rules for writing of distribution of electrons in various shells for the first eighteen elements.
What is the maximum number of electrons which can be accommodated in the K shell of an atom?
What is the maximum number of electrons which can be accommodated in the :
(a) innermost shell of an atom?
(b) outermost shell of an atom?
State the number of electrons present in the outermost shell of the atoms of the following elements :(i) Neon
(ii) Chlorine
Name the shell of an atom which can accommodate a maximum of :
(a) 2 electrons ?
(b) 18 electrons ?
Which of the following represents the correct electron distribution in magnesium ion?
Explain the arrangement and distribution of electrons in the various shells with reference to an atom in general and to an atom of potassium ‘3919K’ with special reference to the 2n2 rule.
Give a reason for the following:
The shells surrounding the nucleus of an atom are also called ‘energy levels’.
For an atom ‘X’, K, L and M shells are completely filled. How many electrons will be present in it?
