Asked by Natash
order the elements Mg, K, Ca, S according to second ionization energy
I know that K would have the highest second ionization energy, then come S bec it takes more energy to remove an electron from a nonmetal than a metal, which is next ?
I know that K would have the highest second ionization energy, then come S bec it takes more energy to remove an electron from a nonmetal than a metal, which is next ?
Answers
Answered by
drwls
Your first two choices are correct.
Removing the second electron from both Mg and Ca is relatively easy because it is a single s electron in an outer shell, but Ca+ will be easier to ionize because the electron is farther from the nucleus than it is for Mg+.
Removing the second electron from both Mg and Ca is relatively easy because it is a single s electron in an outer shell, but Ca+ will be easier to ionize because the electron is farther from the nucleus than it is for Mg+.
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