In the process of electricity, what flows through the wires? a) protons b)neutronsc)electronsd)positrons

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.

Stage in which a typical star has completely stopped fusion

Which electron configuration represents the electrons in an atom of sodium in the ground state at stp