1. Tardigrade
  2. Question
  3. Chemistry
  4. An electron is present in an orbital which has 2 radial nodes and 2 angular nodes. Find the sum of ( n +l) for the orbital in which the electron is present.

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Q. An electron is present in an orbital which has $2$ radial nodes and $2$ angular nodes. Find the sum of $( n +l)$ for the orbital in which the electron is present.

Structure of Atom

Solution:

No. of angular nodes $=l=2$
No. of radial nodes $= n -l-1$
$\therefore 2= n -2-1$
$\therefore n =5$
$\therefore ( n +l)=5+2=7$