Question

A diagram of an atom is shown. The circle in the center, which contains two different colored spheres, represents the nucleus of an atom. The larger circle around the nucleus represents the space around an atom. This space contains a third sphere, different from those located in the nucleus.

image

Which statement assigns the proton, neutron, and electron to their correct positions within this atom?

A.
The two different-colored spheres within the nucleus represent the neutron and the electron. The third sphere outside the nucleus represents the proton.

B.
The two different-colored spheres within the nucleus represent the proton and the neutron. The third sphere outside the nucleus represents the proton.

C.
The two different-colored spheres within the nucleus represent the proton and the electron. The third sphere outside the nucleus represents the neutron.

D.
The two different-colored spheres within the nucleus represent the proton and the neutron. The third sphere outside the nucleus represents the electron.

Answer 1

D

Protons and neutrons are found in the nucleus; electrons occupy the space outside the nucleus (electron cloud).