Compared to the diameter of a zirconium atom (A = 40), the diameter of a mercury atom (A = is approximately
A)four times as large.
B)twice as large.
C)the same size.
D)one-half as large.
E)one-quarter as large.

Question

Quizplus · Accepted Answer

The diameter of an atom is generally determined by its electron cloud, which is influenced by its atomic number and electron configuration rather than its atomic mass (A). Zirconium and mercury have similar atomic radii, so their atomic diameters are approximately the same size.

Compared to the Diameter of a Zirconium Atom (A =