(3) What force is responsible for the radioactive decay of the nucleus ? a- Gravitational force b- Electromagnetic force
Posted: Wed May 18, 2022 6:50 am
(3) What force is responsible for the radioactive decay of the nucleus ? a- Gravitational force b- Electromagnetic force c- Weak Nuclear force d- Strong Nuclear force (4) Which one of the following is an electron emitted by a nucleus as it un- dergoes radioactive decay ? a- alpha particle b-beta particle C- gamma ray d- Z boson (5) The actinium series ends at stable a- Pb-206 b- Pb - 207 C-Pb - 208 d- Bi -- 209 (6) The magic numbers for atoms are a- numbers of electrons that confer atomic stability b- atomic inasses that confor nuclear stability C- numbers of protons and/or noutrons that confer nuclear stability d- numbers of alpha and/or bota that confer nuclear stability (7) Nuclear fission can be explained by a- Bohr's atomic model b- Rutherford's nuclear model c- liquid drop model d- shell model