An example of an atom that has no charge is one that has

a. 3 protons, 2 electrons, and 1 neutron.
b. 1 proton, 2 electrons, and 3 neutrons.
c. 2 protons, 2 electrons, and 1 neutron.
d. 3 protons, 1 electron, and 3 neutrons.

C. 2 protons, 2 electrons, and 1 neutron.

Explanation:

potential energy is directly proportional to height.

more height = more potential energy.

greatest increase in height = greatest increase in potential energy

where are the points with the greatest increase in height ?

has to be c-e or d-e .

what is the actual question though?