1. Why Francium is the biggest ekement with the lowest IE and EN?
Since Fransium has seven shells that make the valance electrons loose attraction from the nucleus that makes it very easy for Fr to lose its valence electrons.
2. Why Helium is the smallest element with the highest IE?
It only has one shell meaning that its electrons are close to its nucleus and the attraction is strong and only has two electons.
3. Why Noble Gases don't have EN values?
Noble gases don't have EN because its the most nonreactive group in the periodic table and don't jave trendency to gain electron.
4. Why Flourine has the highest EN?
Flourine is only needs one electrons to gain for it to have its full shells.
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