1. The smallest particle of an element which can take part in chemical reactions and may or may not exist independently is the   neutron   compound   nucleus   atom   Hint Half-n-half Clue   2. According to Rutherford,   the nucleus revolves around the electrons.   the protons revolves around the nucleus.   the neutrons revolve around the nucleus.   the electrons revolve around the nucleus.   Half-n-half Clue   3. Neutrons are   positively-charged particles with mass.   positively-charged particles with negligible mass.   negatively-charged particles with negligible mass.   neutral particles with mass.   Half-n-half Clue   4. As a result of Rutherford's scattering experiment, it was concluded that   atomic mass is spread over the whole atom.   the center of the atom has a negative charge.   most of the atom is empty.   the center of the atom is empty.   Half-n-half Clue   5. The three fundamental particles of the atom are   Mesons, Quarks and Anti-neutrino   Proton, Neutron and Electron   Positron, Neutrino and Gamma Rays   Nucleus, Anti-quarks and Electrons   Half-n-half Clue   6. The particle discovered in the anode ray experiments is the   proton   electron   meson   neutron   Half-n-half Clue   7. The charge on the electron was discovered by   Fermi   J. J. Thomson   Faraday   Mullikan   Half-n-half Clue