Answer:
Nucleus: Choice C
Electron: Choice E
Proton: Choice A
Neutron: Choice B
Energy Level: Choice D
Step-by-step explanation:
1. Nucleus contains the protons and neutrons.
2. Electrons surround the nucleus and have a negative charge.
3. Protons are positively charged and found in the nucleus.
4. Neutrons have a neutral charge and are found in the nucleus.
5. The energy level refers to the electron orbital.