A trace element essential for plant growth and radioactive isotope which is used in cancer therapy is known as

A trace element, also required for plant growth, and in the form of radio active isotope useful in cancer therapy is

A trace element, also required for plant growth, and in the form of radio active isotope useful in cancer therapy is

Name the ratioactive isotopes which is used in the treatment of cancer.

The radioactive isotope used in the treatment of cancer is :

Which elements are essential for the growth of pollen tube ?