Answer:
The charge of the electron is -1, the charge of the neutron is zero. protons and neutrons are located in the nucleus and electrons, around the nucleus. The atomic-force microscope is very important because it helps to study the atoms in a clear way. An aluminum atoms is made of a nucleus that contains 13 neutrons with zero charge, and 13 protons with +1 charge each. The nucleus is sorrounded by 13 electrons that orbit around it and are divided in 3 levels of energy.
