Sagot :
The definition of mass is the resistance of an object to a change in motion. Protons and electrons have little to no resistance to a change in motion, however a carbon atom does.
I hope this helped!
-Alex
I hope this helped!
-Alex
hope this helps neutrons. this is more of a chemistry question though. neutrons and protons are what make up an atoms mass. the electrons mass is too small to even be taken into account.