Question
Chemistry Question on d block elements
Which of the following radioactive element is used in the treatment of cancer?
A
Uranium
B
Thorium
C
Cerium
D
Plutonium
Answer
Thorium
Explanation
Solution
Thorium is the radioactive element, belonging to the class of lanthanides. It is used in the treatment of cancer. It is formed by radioactive decay of uranium. Minerals (like monozite, thorite) are rich in thorium and mixed for it