What is the mass in grams of a cube of copper that has a volume of 74.1cm

No. an alpha particle is a pair of protons and a pair of neutrons, i.e. a helium

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.

Answeramino acids;