What is the name of the scientist who discovered the presence of a positively charged particle in an atom?
(a) What is the nucleus of an atom and what is the nature of charge on it? (b) Name the scientist who discovered the nucleus of an atom.
Name the scientist and his experiment to prove that nucleus of an atom is positively charged.
Name the scientists who discovered:
(a) Nucleus of atom.
Name the scientist who discovered atom.