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प्रश्न
When does the nucleus of an atom tend to become radioactive?
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उत्तर
When the number of neutrons exceeds much than the number of protons in a nuclei, it become unstable or radioactive.
संबंधित प्रश्न
Arrange α, β, and γ rays in ascending order with respect to their
1) Penetrating power.
2) Ionising power
3) Biological effect
Why is a cathode ray tube evacuated to a low pressure?
What do you mean by Atomic mass
What happens to the position of an element in the periodic table when it emits an alpha particle
Why should a radioactive substance not be touched by hands?
How is a cathode ray beam affected while passing through an electric field?
How is a cathode ray tube used to convert an electrical signal into a visual signal?
88Ra226 experiences three α - decay. Find the number of neutrons in the daughter element.
A radioactive nucleus \[\ce{^A_ZX}\] undergoes spontaneous decay in the sequence \[\ce{^A_ZX -> _{Z-1 }B -> _{Z-3}C -> _{Z-2}D }\], where Z is the atomic number of element X. The possible decay particles in the sequence are ______.
The half-life of a radioactive nuclide is 100 hours. The fraction of original activity that will remain after 150 hours would be ______.
