1. Who proposed The atomic theory?
2. When Dalton proposed this theory?
3. Who discovered the fundamental particle of the atom?
4. When M Faraday discovered the fundamental particle of the atom?
5. Who discovered the electron?
6. J. J Thomson when discovered electron?
7. Who discovered the proton?
8. When Goldstein discovered the proton ?
9. What country was Goldstein from?
10. Who is discovered the radiation?
11. When Henri Becquerel discovered the radiation?
12. What country was Henri Becquerel from ?
13. What is the real mass of electron ?
14. How many protons in nucleus of atom?
15. What is contained in the nucleus of atom ?
