Question

Write 5 applications of Isotopes

Answer 1

Application of Isotopes :-

1). An isotope of uranium is taken as a fuel in nuclear reactors.

2). An isotope of cobalt is useful in the treatment of cancer.

3). An isotope of iodine is used in the treatment of goitre.

4). Heavy water (D20) is made up of 2 molecules of deuterium.

5). Isotopes of sodium used to detect blood cells..

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Answer 2

Isotopes - These are the elements which have the same atomic number but different mass numbers I.e the number of neutrons varies.

Eg- The isotopes of Hydrogen => Protium (mass no. = 1) , Deuterium (mass no. = 2) and tritium (mass no. = 3).

Isobars - These are the elements with same mass number but different atomic number are refered to as Isobars.

E.g.- Calcium atomic no. 20 and argon atomic no. 18. Both of them have different atomic no. but their mass no. is same I.e mass no. = 40.

APPLICATIONS OF ISOTOPES:

1. An isotope of uranium is used in nuclear plants.

2. An isotope of cobalt is used to treat cancer.

3. An isotope of iodine is used to treat goitre