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Select the correct set of quantum numbers (n, l, ml) for the first electron removed in the formation of a cation for iron, fe.

Sagot :

The first electron removed in the formation of iron cation is removed from a 4s orbital whose set of quantum numbers (n, l, ml) are 4, 0, 0 respectively.

What are quantum numbers?

The term quantum numbers refers to the numbers that are used to show the position of an electron in an atom. There are four sets of quantum numbers;

  • Principal quantum number (n)
  • Orbital quantum number (l)
  • magnetic quantum number (ml)
  • Spin quantum number(ms)

The electron configuration of iron is written  as; [Ar] 3d6 4s2, the first electron removed in the formation of iron cation is removed from a 4s orbital whose set of  quantum numbers (n, l, ml) are 4, 0, 0 respectively.

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