Question

4-Explain with example: atomic number, mass number, isotopes, isobars. Also give two

uses of isotopes?




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Answer 1

Answer:

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Explanation:

Ar40,19K40 are isobars having the same atomic mass but different atomic numbers. The two uses of isotopes are: (i) As nuclear fuel: An isotope of uranium (U–235) is used as a nuclear fuel. (ii) An isotope of cobalt is used in the treatment of cancer.

Answer 2

Answer:

Isobars are the same elements having different atomic number but same mass number.

isotopes are elements having same atomic number but different mass number

uses:-

Isotopes of iodine are used for radiotherapy in treatment of hyperthyroidism, cancer, etc. 2) Uranium, Radium, Polonium isotopes are used in atomic reactors. 3) Cobalt isotopes are used for irradiation of food products.