Periodic Properties

Match it! Select the correct answer from the pull down...Good luck!

Who first arranged the elements according to nuclear charge?

The electron affinity of an atom typically depends on the

From top to bottom in most groups of elements, atomic radii tend to

From top to bottom in a group of elements, ionization energies tend to

Who first arranged the elements according to atomic mass and noticed a periodic recurrence of their physical and chemical properties?

What criterion is used to arrange the elements in columns on the periodic table?

Not including the noble gases, which area of the periodic table has the highest electronegativities?

Of the elements Fe, Hg, U, Te, and Y, which is considered a Group A element?