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For the quantum numbers n = 2, ℓ = 1, mℓ = 1, there can be a maximum of two electrons.

What are quantum  numbers?

The term quantum numbers refer to the numbers that describe the position of electron in an atom.

There are four sets of quantum numbers which are;

  • Orbital quantum numbers
  • Principal quantum numbers
  • Spin quantum numbers
  • Magnetic quantum numbers

For the quantum numbers n = 2, ℓ = 1, mℓ = 1, there can be a maximum of two electrons.

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