The elements which exitst as isotopes have generally fractional atomic masses.Justify.

Why are the atomic masses generally fractional?

Most elements have fractional atomic masses. ' Explain.

Isotopes have same number of atomic mass

Isotopes have same number of atomic mass

State the laws/ Define Isotopes have same atomic masses

Explain why elements have fractional atomic masses ?

Most of the elements have fractional atomic masses,What does it show ?

The element bron occurs in nature as two isotopes havein atomic masses 10 u and 11 u . What are the percentage abundances of these isotopes in a sample of boron having average atomic mass of 10.8 u?