Other questions in this quiz

2. What would be the electronic configuration of an iron Fe, atom and an iron 2+ ion, Fe2+?

  • the electronic configuration of an iron atom would be the same as that of an iron 2+ ion
  • Atom: 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^6 Fe2+ ion: 1s^2 2s^2 2p^6 3s^2 3p^6 3d^6
  • Atom: 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^6 Fe2+ ion: 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^4

3. What is the electronic configuration of Potassium, K?

  • 1s^2 2s^2 2p^6 3s^2 3p^6 4s^4
  • (^ indicates a subscript) 1s^2 2s^2 2p^6 3s^2 3p^6 4s^1
  • 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2
  • 1s^2 2s^2 3s^2 3p^6 4s^1

4. What is the relationship between the 4s sub-shell and the 3d sub-shell?

  • the 4s sub-shell has a lower energy level then the 3d sub-shell
  • the 4s sub-shell has equal energy level to the 3d sub-shell
  • the 3d sub-shell has a lower energy than the 4s sub-shell
  • they have no relationship

5. When positive ions are formed, what happens to the electrons in the highest energy orbitals?

  • the number of electrons stays the same
  • electrons are removed
  • electrons are added
  • the number of the electrons is doubled

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