how to do electronic configuration
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Electron configuration :- The systematic distribution of electrons in various orbits or energy shells of an atom.
We know that
K shell ( n = 1) only accommodate only two electron. Than only the electron sen further proceed
L shell (n = 2), no. of electrons = 2 × 2^2 = 8
M shell ( n =3 ), no. of electrons = 2 × 3^2 = 18
N shell (n = 4), no. of electrons = 2 × 4^2 = 32
The outer most orbit of an atom cannot have more than 8 electron and the outermost shell can have at the most 18 elctrons.
Example :- Argon has 18 electron
K shell = 2 electron
L shell = 8 electron
M shell = 8 electron
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