?

SAT® Subject Test in Physics

Free Version

Upgrade subject to access all content

Moderate

Rutherford Model

SATPHY-L1PMXC

Although Rutherford's planetary model of the atom was a major step forward in understanding the structure of the atom, which of the following was a major problem for this model–one that Bohr's model attempted to fix?

A

Electrons cannot orbit in elliptical paths.

B

Cometary electrons would interfere with the normal orbits of electrons.

C

Gravity is too strong to allow stable electron orbits.

D

Orbiting electrons would emit electromagnetic energy and spiral into the nucleus.

E

Orbiting electrons are all the same size, unlike the planets.