Your question asks which is an example of an atom that has no change, or charge.
Your answer would be C). 2 protons, 2 electrons, and 1 neutron
These atoms would be known as a neutral atom.
In order for an atom to be neutral, it must have the same amount of protons and electrons.
We know that Protons are positive
We also know that Electrons are negative
In order for the atom to be neutral, they must have an equal amount of protons and neutrons to "cancel out"
In answer choice C, you would see that there are 2 protons and 2 electrons.
2- 0 = 0, in which allows this atom to be neutral.
Therefore, answer choice C. 2 protons, 2 electrons, and 1 neutron would be your answer.
