Q.

The radioactive element used in heart pacemakers is –

A. Uranium
B. Deuterium
C. Plutonium
D. Radium
Answer» A. Uranium
Explanation: The actinides (or actinoids) are the chemical elements with atomic numbers between 90 and 109 inclusively. They occur between Groups 3 and 4 in Period 7 of the periodic table. All elements in this family are radioactive. Five actinides namely: thorium,protoactinium, uranium, neptunium, and plutonium have been found in nature. Plutonium is used in the manufacture of nuclear weapons and as the power source in nuclear power plants. On a smaller scale, it is also used as a power source in smaller devices such as the heart pacemaker.
3.7k
0
Do you find this helpful?
30

View all MCQs in

Chemistry

Discussion

No comments yet