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Which of the following elements would have the largest third ionization energy: K, Ca, Ga?

What is third?

Thanks in advance.

  • chemistry -

    Third ionization means the third electron has been pulled off.

  • chemistry -

    Hm, so would the answer be Ga, since it is on the right side of the periodic table. Ga's nuclear charge would be greater

  • chemistry -

    Go to, click on the elements, scroll down the right side of the page to electronic properties, click on that which will go to the ionization section. First, second, etc are given.

  • chemistry -

    Nevermind, I got it :) Thanks!
    It's calcium because the third electron would be the full shell, 3p6.

  • chemistry -


  • chemistry -

    name the most suitable way of separating oil from simsim seeds?

  • chemistry -

    I don't know what a simsim seed is and neither does In the future, don't piggy back on another post for a separate post but go to the "post a new question" and click on it.

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