What do the numbers listed for an element on the periodic table represent? the number with a lower value is the mass, and the number with a higher value is the atomic number. the number with a lower value is the number of protons, and the number with a higher value is the mass. the number with a lower value is the number of neutrons, and the number with a higher value is the number of electrons. the number with a lower value is the number of neutrons and protons, and the number with a higher value is the number of electrons.