Question

1. Who is the father of atomic theory? 2. Who discovered the electron? 3. Who expressed particles by wave equations? 4. Who researched on radioactivity? 5. Who discovered the "open spaces" model? 6. Who applied quantum theory to atoms? .-Rutherford, -Bohr, -Thomson, -Curie, -Dalton, -Schrödinger

Answer 1

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.

Answer 2

1. Who is the father of atomic theory?
Dalton

2. Who discovered the electron?
Thomson

3. Who expressed particles by wave equations?
Schrödinger

4. Who researched on radioactivity?
Curie

5. Who discovered the "open spaces" model?
Rutherford

6. Who applied quantum theory to atoms? 
Bohr