wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

What should be the neutron / proton ratio in the nucleus of a heavy element to be radioactive?
[1 Mark]

Open in App
Solution

All nucleus are not radioactive. Only when the ratio of number of neutrons to that of protons in a nucleus exceeds a certain value, it shows radioactivity. This value is equal to 1.56. Elements with atomic number greater than 20 show this criterion.
[1 Mark]

flag
Suggest Corrections
thumbs-up
2
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Discovery of Subatomic Particles
Watch in App
Join BYJU'S Learning Program
CrossIcon