CHEMISTRY ONE LINER SET 53

CHEMISTRY ONE LINER SET 53

1. In nuclear reactor, Neutrons are slowdown by the Moderator
 
2. Who discovered the natural radioactivity? Henri Becquerel
 
3. Radioactive decay of uranium resulted the formation of final product– Lead
 
4. Uranium eventually decays into a stable isotope of – Lead
 
5. In the treatment of skin disease the radio isotope used is– Radio  Phosphorous
 
6. Radioactivity is Measured by – Giger – Muller counter
 
7. The most suitable unit to express the nuclear radius is – Fermi
 
8. Radioactive Noble Gas is– Rn
 
9. There is no change in radioactive element (Mass or change) during – Gamma emission
 
10. Radioactivity is the fission of – Nucleus