Question

Explain with examples
(i) Mass number
(ii) Isotopes
(iii) Isobars
Give any two uses of isotopes.​

Answer 1

Explanation:

Mass number is total no.of protons and neutrons.

Isotope means same elements with same atomic number but different mass no.

eg:12c6 , 13c6 ,14c6

Isobar means different element with same mass no. but different atomic no.

40Ar18 ,40K19 ,40Ca20