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1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p3

15 electrons are in the p orbitals

The selection rules allow finding how many electrons there are in the p orbitals is:

  • Number of electrons in p-orbitals is 15

Solving the equation for atoms in three dimensions gives three constants called quantum numbers, which are related:

  • Principal (n). It gives the energy of the electron and can have values ​​from 1 to infinity.
  • Orbital (l) or secondary. Determines the shape of the orbital, in general it is specified in letters: s, p, d, f and can have values ​​from 0 to (n-1).
  • Magnetic (m). It is related to the magnetic moment due to the movement of the electron around the nucleus, it can have values ​​from - l to l

These relationships are called selection rules.

They indicate that the atom has 33 electrons, therefore they must be arranged according to the selection rules.

   1s² 2s²p⁶ 3s² 3p⁶ 4s² 3d10 4p³

Electrons in p orbitals are:

 quantum number    electrons

   principal                   p orbital

          1                             0

          2                            6

          3                            6

          4                            3

Total electrons             15

In conclusion using the selection rules we can find when electrons are in the p orbitals is:

  • Number of electrons in p-orbitals is: 15

Learn more here: brainly.com/question/11855107

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