14. an example of an atom that has no charge is one that has
a. 3 protons, 1 electron, and 3 neutrons.
b. 2 protons, 2 electrons, and 1 neutron.
c. 1 proton, 2 electrons, and 3 neutrons.
d. 3 protons, 2 electrons, and 1 neutron.

the gas collects in coils that then becomes a liquid that then flows through the coils inside the refrigerator

there are no contact forces mentioned on the list of choices that you've provided.

you can cut your hand off if your not