Kolekce 38 Jj Thomson Structure Of Atom Vynikající . In 1897, thomson claimed that the basic body of an atom is spherical in shape that contains electrons (tiny particles within the atom that create a negative charge) and a positively charged "jelly" around the electrons that neutralize. This article will cover atomic theory by jj thomson, his early life and other atomic theories after. Common questions about thomson, rutherford, and atomic structure So, he proposed a model on the basis of known properties available at. The atomic theory of jj thomson is not only beneficial for atomic study but also other fields including the invention of mass spectograph.