Question

Explain with example Mass number. Give any two uses of isotopes.

Answer 1

$\textbf{Isotopes}$

Isotopes of an element have the same atomic mass but different atomic masses.

Answer 2

Isotopes are defined as elements with the same atomic number but different mass numbers. Example, hydrogen possess 3 kind of isotopes namely - protium (1H1), deuterium (2H1) and tritium (3H1).

Some types of isotopes are applied in the process of labelling for various researches . Like, isotopes of hydrogen, carbon, nitrogen etc. are used for labelling process.

It is also used for nuclear imaging of various tissues for detection of cancer. fluorine-18, gallium-67 etc. are commonly used for this purpose.