Heavy atoms are not appreciably larger in size than light atoms because the nuclei of heavy atoms have more
A) nucleons.
B) mass.
C) electric charge.
D) all of these
E) none of these

Question

Quizplus · Accepted Answer

The electric charge of the nucleus increases with more protons, which attracts the electron cloud more strongly, reducing the size increase despite having more nucleons.

Heavy Atoms Are Not Appreciably Larger in Size Than Light