The total number of the protons and neutrons is the atomic

Charge

Weapon potential

Evaporation rate

Weight

The answer to your question is: weight

Explanation:

The total number of the protons and neutrons is the atomic weight.

Charge charge of an atom does not depend on the number of

protons and neutrons.

Weapon potential This answer is incorrect because the number of protons

and neutrons do not depends on the weapon potential.

Evaporation rate Evaporation rate do nt depend on the number of protons

and neutrons.