1. Protons are   neutral particles with mass.   negatively-charged particles with negligible mass.   positively-charged particles with negligible mass.   positively-charged particles with mass.   Hint Half-n-half Clue   2. According to Rutherford,   the neutrons revolve around the nucleus.   the nucleus revolves around the electrons.   the electrons revolve around the nucleus.   the protons revolves around the nucleus.   Half-n-half Clue   3. The smallest particle of an element which can take part in chemical reactions and may or may not exist independently is the   nucleus   neutron   atom   compound   Half-n-half Clue   4. The Atomic Theory was given by   John Dalton   J. J. Thomson   E. Rutherford   James Chadwick   Half-n-half Clue   5. The charge on the electron was discovered by   J. J. Thomson   Fermi   Faraday   Mullikan   Half-n-half Clue   6. As a result of Rutherford's scattering experiment, it was concluded that   most of the atom is empty.   atomic mass is spread over the whole atom.   the center of the atom has a negative charge.   the center of the atom is empty.   Half-n-half Clue   7. The sum of the numbers of the protons and neutrons in the atom of an element is known as   Molecular Weight   Isotope Number   Atomic Number   Mass Number   Half-n-half Clue