Since the atom as a whole is electrically neutral and the presence of negatively charged particles in it was established ,therefore, it was thought that some positively charged particles must also be present in the atom. Goldstein in 1886 performed discharge tube experiment in which he took perforated cathode and a gas at low pressure was kept inside the tube, as … [Read more...] about Discovery of Proton
neutron
Discovery of Neutron
Question 1 Name the scientist who discovered neutrons? Question 2 Which subatomic particle is not present in an ordinary hydrogen atom? Question 3 What is a neutron? Question 4 What is the charge and mass of an electron? Question 5 State the location of neutrons in an atom? Discovery of neutron After the discovery of electrons and protons,it was noticed that … [Read more...] about Discovery of Neutron