1. As a result of Rutherford's scattering experiment, it was concluded that   the center of the atom has a negative charge.   atomic mass is spread over the whole atom.   most of the atom is empty.   the center of the atom is empty.   Hint Half-n-half Clue   2. Anode rays were discovered by   J. Chadwick   E. Goldstein   E. Rutherford   J. J. Thomson   Half-n-half Clue   3. According to Rutherford,   the nucleus revolves around the electrons.   the electrons revolve around the nucleus.   the neutrons revolve around the nucleus.   the protons revolves around the nucleus.   Half-n-half Clue   4. The charge by mass ratio for electrons of various elements   is the same.   increases with increase in atomic mass.   decreases with increase in atomic mass.   increases with increase in atomic number.   Half-n-half Clue   5. Atoms of an element with the same number of protons but different number of neutrons in the nucleus are known as   Isobars   Twin Atoms   Isotopes   Isosters   Half-n-half Clue   6. The charge on the electron was discovered by   J. J. Thomson   Faraday   Mullikan   Fermi   Half-n-half Clue   7. Protons are   neutral particles with mass.   positively-charged particles with mass.   positively-charged particles with negligible mass.   negatively-charged particles with negligible mass.   Half-n-half Clue