The sum of the number of protons and neutrons in an atom is called the of the element. 1. Molar Mass 2. Atomic number 3. Average atomic mass 4. Mass number o2 o4 o3 o1

Ithink that the use of creativity in the sciences entails that one produce something out of nothing or from another thing. with this, i think that the he wrote down his results as four parts of the atomic theory is the manifestation of the  creativity of john dalton.