Slide 1 The Nuclear Atom Rutherford modified Thomsonâs model: assume the atom is spherical but the positive charge must be located at the center (itâs small and dense),…
Atoms and Elements Chapter 2 John Dalton 1766-1844. Conceived atomic weights. Ernest Rutherford 1871-1937.* Discoverer of atomic nucleus. D. I. Mendeleev 1834-1907. Periodic…