Answer:
Father of atomic theory?
Dalton is the father of atomic theory who said that matter is composed of indivisible component.
Discovery of electron by?
J. J Thomson has discovered the electron by performing an experiment which contain negative charges.
Who expressed particles by wave equations?
Schrödinger expressed that particles have wave nature.
Who researched on radioactivity?
Madam Curie has researched over radioactivity.
Who discovered the "open spaces" model?
Rutherford discovered the "open spaces" model.
Who applied quantum theory to atoms?
Bohr has applied quantum theory to atom.
Hope this help.
