Am i correct so far on the first question? and how do i convert to i use avogadro's number, right?

I'm pretty sure that you multiply the number of moles by avogadro's number (6.02x10^23)... you may want to check.

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.