Matching Pairs Atomic TheoryOnline version Early models of atomic structure by Steven Herman 1 John Dalton's Law of Simple Multiple Proportion 2 Ernest Rutherford's atomic model. Atoms are mostly empty space with a small, dense, positively charged nucleus, surrounded by light, negatively charged electrons. 3 J. J. Thomsom's plum pudding atomic model 4 Niels Bohr's atomic model. Electrons do not fall into the nucleus because they orbit the nucleus at specific distances. 5 John Dalton's atomic model