Which atom in each of the following sets has the largest ionization energy? (a) Be,C,N (b) Mg, Ca, Sr (c) Sn, Se, F
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The ionization energy decreases from top to bottom in groups, and increases from left to right across a period. Thus, helium has the largest first ionization energy, while francium has one of the lowest.
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Answer:
Option B is correct option here
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