(a) What are isobars? Give one example.

(b) Write two differences between isobars and isotopes.


(c) Write any two uses of isotopes.

a. Isobars are the atoms of different elements having different atomic number but same mass number. Example- 18Ar40, 20Ca40

b. Differences between isobar and isotopes-



c.Two uses of isotopes are-


i. Radioactive isotopes are used as tracers in medicine to detect the presence of tumours, blood clots in the human body.


ii. They are used in industry to detect leakage in underground oil, gas or water pipelines.


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