Physics, asked by labanskumar, 11 months ago

PlZ answer to the 21 at question
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Answered by Anonymous

1

Explanation:

- atomic number

- Valency of the atom of given element

- no of valence electrons

-discription of subshell occupied

Answered by Anonymous

1

Answer:

Electronic configuration gives the information regarding the manner in which electrons in an atom occupy the shells, sub shells and orbitals of that atom.

The short hand notation - nlx - consists of principal energy level (n), the letter representing sub level (l) like s,p,d,or f and number of electrons in that sub level are written as superscript (x). example of hydrogen is given below

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