A uranium atom is 238 times as massive as a hydrogen atom. The diameter of a uranium atom is the diameter of a hydrogen atom times about
A) 3.
B) 30.
C) 100.
D) 238.
E) 10.

Question

Quizplus · Accepted Answer

The diameter of an atom does not scale linearly with its mass. Uranium, being a much heavier element, has a larger atomic radius than hydrogen, but not proportionally to its mass. Typically, the diameter of a uranium atom is about 3 times that of a hydrogen atom.

A Uranium Atom Is 238 Times as Massive as a Hydrogen