J.J. Thomson proposed that the nucleus of an atom contains only neutrons. True or False.
J.J. Thomson proposed that the nucleus of an atom contains only nucleons.
For the following statements, write T for ‘True’ and F for ‘False’.
(a) J.J. Thomson proposed that the nucleus of an atom contains only nucleons.
(b) A neutron is formed by an electron and a proton combining together. Therefore, it is neutral.
(c) The mass of an electron is about times that of proton.
(d) An isotope of iodine is used for making tincture iodine, which is used as a medicine.
State whether the following statements are true or false: (a) Thomson proposed that the nucleus of an atom contains protons and neutrons. (b) The cathode rays obtained from all the gases consist of negetively charged particles called electrons. (c) The anode rays obtained from all the gases consist of positively charged particles called protons.