Q34 of 149 Page 211

Give any two uses of radioactive isotopes.

The uses of radioactive isotopes are:

(1) For the treatment of cancer radioactive isotopes are use.


(2) As 'tracers' in medicine to detect the presence of tumors and blood clots in human body radioactive elements are used.


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Define valency of an element. What valency will be shown by an element having atomic number 14?