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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
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?
Name the shell of an atom which can accommodate a maximum of :
(a) 2 electrons ?
(b) 18 electrons ?
Give scientific reason.
Atoms are stable though negatively charged electron is revolving within it.
Mention the basic tendency of an atom which makes it combine with other atoms
What is meant by the term orbits
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?
The electron distribution in an aluminium atom is
The maximum No. of electrons that can be accommodated in the M shell is ______.
