Among all the elements which element has highest value of first ionization energy?
Answer (1)
Student Expert
23rd Oct, 2019
Hello aspirant,
The first ionization energy varies in a predictable way across the periodic table. 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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