Q. 8. Explain with examples
(iv) Isobars.
Isobar:
Isobars are the atoms of different elements having the same mass number but different atomic numbers.
Example: and . Mass numbers of calcium and argon atoms have different atomic numbers (20 and 18 ) but the same mass number 40.
Two uses of isotopes are:
(i) An isotope of uranium is used as a fuel in nuclear reactors.
(ii) An isotope of cobalt is used in the treatment of cancer.