As we know, trend of ionization in periodic table, in periodic table ionization energy increases in left to right and decreases top to bottom.
So decreasing order of ionization energy
He > Cl > Ca > Na > Rb
(A) is correct option
QUESTION 7 List the elements Na, Ca, Rb, CI, He in order of decreasing first ionization...
Part B Arrange the following elements in order of decreasing first ionization energy: S, Ca, F, Rb, and Si. Rank from largest to smallest. To rank items as equivalent, overlap them. Part B Arrange the following elements in order of decreasing first ionization energy: S, Ca, F, Rb, and Si. Rank from largest to smallest. To rank items as equivalent, overlap them. Largest first ionization energy Smallest first ionization energy The correct ranking cannot be determined. reset ? help
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