Who proposed The atomic theory?
When Dalton proposed this theory?
Who discovered the fundamental particle of the atom?
When M Faraday discovered the fundamental particle of the atom?
Who discovered the electron?
J. J Thomson when discovered electron?
Who discovered the proton?
When Goldstein discovered the proton ?
What country was Goldstein from?
Who is discovered the radiation?
When Henri Becquerel discovered the radiation?
What country was Henri Becquerel from ?
What is the real mass of electron ?
How many protons in nucleus of atom?
What is contained in the nucleus of atom ?