1. The average mass of an atom of an element is known as   Isotope   Atomic Number   Atomic Mass   Molecular Weight   Hint Half-n-half Clue   2. The currently accepted model of the atom is that of   Heisenberg   Rutherford   Bohr   de Broglie   Half-n-half Clue   3. Atoms of an element with the same number of protons but different number of neutrons in the nucleus are known as   Isosters   Isotopes   Isobars   Twin Atoms   Half-n-half Clue   4. According to Rutherford, the atom consists of the following two parts   Neutrons and Electrons   Nucleus and the extra-nuclear part   Electrons and Protons   Protons and Neutrons   Half-n-half Clue   5. The alpha particle scattering experiment was carried out by   J. Chadwick   J. J. Thomson   E. Rutherford   E. Goldstein   Half-n-half Clue   6. The particle discovered as a result of cathode ray experiments is the   electron   neutron   proton   nucleus   Half-n-half Clue   7. According to Rutherford,   the neutrons revolve around the nucleus.   the nucleus revolves around the electrons.   the protons revolves around the nucleus.   the electrons revolve around the nucleus.   Half-n-half Clue