Question

Explain with examples

(i) Atomic number,

(ii) Mass number,

(iii) Isotopes and

(iv) Isobars.

Give any two uses of isotopes

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Answer 1

Answer:

Mass Number: The number of the neutrons and protons present in the nucleus is called mass number. ... Isobars: Isobars are the same elements having different atomic number but same mass number. USES OF ISOTOPES: (a) It is used as a uranium for the nuclear reactor (b) It is used as cobalt for treating blood cancer.

Answer 2

2) Two Uses of isotopes are as follows :-

• An isotope of uranium is used as a fuel in nuclear reactors.
• An isotope of cobalt is used in the treatment of cancer.

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