What is the periodic table organized by?

It's either 3 or that ,,but if not than choose 4

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.

It's called the falling actionwrong subject by the way