' \"1?.Complete the following sentence by choosing the correct answer. Ernest Rutherford (1371 *1 Ell-1D) was one of Thomson*s students. He was experimenti particles, which are the positive nuclei of He atoms. A. Beta B. Alpha C. Nano D. lvlicro 1 E.Complete the following sentence by choosing the correct answer. Gilbert Lewis (l?5-194} recognised that electrons play an important role in bonding. A. Hydrogen B. Chemical C. Covalent D. Chemical compound 14. Choose the correct statement A. The Sun is made up of two types of hydrogen isotopes, namely deuterium (311 H] : tritium (3H H}. B. The Sun is made up of two types of hydrogen isotopes, namely deuterium (3H H} z tritium (2 fl H}. C. The Sun is made up of two types of hydrogen isotopes. namely deuterium (in H] : tritium (2M H}. D. The Sun is made up of two types of hydrogen isotopes, namely deuterium (in H) r tritium {3r 1 H}. 13. 1lr'lr'hat is conduction? A. the transfer of chemical energy through a substance from molecule to molecule B.t he transfer of thermal energy through a substance from molecule to molecule C. the transfer of kinetic energy through a substance from molecule to molecule D. the transfer of thermal energy from a hot place to a cold place by the movement o1 or gas particles