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Which of the following has the smallest first ionization energy: F, Be, Sr or Ra? F Be Sr Ra
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Which of the following has the smallest first ionization energy: F, Be, Sr or Ra?

F
Be
Sr
Ra

User Vidhi
by
8.2k points

1 Answer

6 votes
Ra, would have the lowest ionization energy. Remember ionization energy increases going up and to the right.
User Rimer
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