(a) What are radioactive isotopes ? Give two examples of radioactive isotopes (b) Give any two
Channel: Doubtnut
Date: 2020-01-26

(a) What are radioactive isotopes ? Give two examples of radioactive isotopes (b) Give any two uses of ratioactive isotopes (c) An element Z contains two naturally occuring isotopes `._(17)^(35) Z and ._(17)^(37)Z`. If the average atomic mass of this element be 35.5 u, calculate the percentage of two isotopes.