Chemistry, 13.09.2021 19:00 princessbreanna0

Which periodic trend does not agree with observed trends on the periodic table?

ionization energies generally decrease from left to right across a period of
elements

the ionization energies of Group 2 elements are less than that of Group 3
elements

atomic radii increase from top to bottom down a group of elements

as the atomic numbers of the halogens increase, the electronegativities decrease

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Which periodic trend does not agree with observed trends on the periodic table?

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