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QA › Physics › Which of the following atoms would have the largest second ionization energy?

Which of the following atoms would have the largest second ionization energy?

1) Sr

2) Sc

3) Ca

4) K

5) AI

Answer: 5. Aluminum.

Explanation: The ionization energy of an atom is the amount of energy required to remove an electron from a mole of atoms while in the gas phase.

The second ionization energy is the energy required to remove a second electron, to form 2+ cations form 1+ cations.

Physics

3 years ago

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