Suppose you built a scale- model atom in which the nucleus is the size of a tennis ball. About how far would the cloud of electrons extend?
A)a few meters
B)to the Sun
C)several centimeters
D)several kilometers

Question

Quizplus · Accepted Answer

The nucleus of an atom is extremely small compared to the overall size of the atom, which is mostly empty space occupied by the electron cloud. If the nucleus were the size of a tennis ball, the electron cloud would extend several kilometers.

Suppose You Built a Scale- Model Atom in Which the Nucleus