The largest stable nucleus is ________________?

Related Mcqs:

1. Out of the following, nucleus of _____________ atom contains the largest number of neutrons?

   A. U-235
   B. U-238
   C. U-239
   D. Pu-239

2. The ratio of volume of an atom to that of its nucleus is__________________?

   A. 1012
   B. 10-12
   C. 10-8
   D. 108

3. The emission of an a-particle causes the resultant nucleus to have____________________?

   A. More atomic weight and less atomic number
   B. Less atomic weight and less atomic number
   C. Less atomic weight and more atomic number
   D. None of these

4. The number of neutrons in the nucleus of Uranium-233 (92U233) is _________________?

   A. 141
   B. 92
   C. 233
   D. 325

5. The sum of masses of two nuclei produced in nuclear fission compared to the mass of original nucleus is_____________________?

   A. Less
   B. More
   C. Same
   D. Much more

6. The mass number of an element is equal to the number of _____________ in the nucleus?

   A. Electrons
   B. Neutrons
   C. Protons
   D. Neutrons plus protons (i.e., nucleons)

7. The new nucleus formed after β-decay of a radioactive element has___________________?

   A. Less atomic number
   B. Less atomic weight
   C. More atomic number
   D. More atomic weight

8. Fast breeder reactors are most usable in India, because of our largest _____________ deposits?

   A. Thorium
   B. Plutonium
   C. Uranium
   D. None of these

9. An ideal coolant for a nuclear reactor should ________________?

   A. Be a good absorber of neutrons
   B. Be capable of attaining high temperature, only when it is pressurised
   C. Have high density, but low heat transfer co-efficient
   D. Be free from radiation damage and non-corrosive

10. In the gaseous diffusion process of uranium enrichment, the natural uranium is converted into gaseous ________________?

    A. Uranium oxide
    B. Uranium hexafluoride
    C. Uranium carbide
    D. Uranium sulphate