1. Neutrons are   positively-charged particles with mass.   neutral particles with mass.   negatively-charged particles with negligible mass.   positively-charged particles with negligible mass.   Hint Half-n-half Clue   2. The charge by mass ratio for electrons of various elements   is the same.   increases with increase in atomic mass.   increases with increase in atomic number.   decreases with increase in atomic mass.   Half-n-half Clue   3. The charge on the electron was discovered by   J. J. Thomson   Fermi   Faraday   Mullikan   Half-n-half Clue   4. According to Rutherford, the atom consists of the following two parts   Nucleus and the extra-nuclear part   Electrons and Protons   Protons and Neutrons   Neutrons and Electrons   Half-n-half Clue   5. The sum of the numbers of the protons and neutrons in the atom of an element is known as   Molecular Weight   Atomic Number   Isotope Number   Mass Number   Half-n-half Clue   6. The particle discovered in the anode ray experiments is the   meson   proton   neutron   electron   Half-n-half Clue   7. The three fundamental particles of the atom are   Proton, Neutron and Electron   Mesons, Quarks and Anti-neutrino   Positron, Neutrino and Gamma Rays   Nucleus, Anti-quarks and Electrons   Half-n-half Clue