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प्रश्न
Give scientific reason.
Atomic mass number is a whole number.
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उत्तर
Atomic mass number is a whole number because it is the sum of numbers of protons and numbers of neutrons present in an atom. Which is present in the form of integers.
संबंधित प्रश्न
What is the maximum number of electrons which can be accommodated in the K shell of an atom?
What is the Electronic Configuration of a Hydrogen Atom?
Name the shell of an atom which can accommodate a maximum of :
(a) 2 electrons ?
(b) 18 electrons ?
The atom of aluminium is represented by 27Al13. Write down the number of electrons in the different orbits or shells in one atom of aluminium.
The atom of aluminium is represented by 27Al13. Write down the number of neutrons in the different orbits or shells in one atom of aluminium.
The following element is given \[\ce{_6V}\]. State the electronic configuration and state whether it is a metal, non-metal, or inert gas.
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 electronic configuration of silicon is ——— and that of sulphur is ———.
The electronic configuration of ‘Cl’ is ______.
