Atomic weight of chlorine is 35.5 . It has two isotopes of atomic weight 35 and 37 . What is the percentage of the heavier isotope in the sample ?

Atomic weight of chlorine is 35.5. What is its vapour density ?

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?

The atomic weight of two isotopes of boron are 10.01 and 11.01 . If the atomic weight of natural boron is 10.81, what is the percentage of heavier isotope of boron in nature?

The two isotopes of chlorine have atomic masses 35 u and 37 u. Should they be placed in the same slot in the periodic table?

Chlorine is a mixture of two isotopes with atomic masses 35u and 37u which are present in the ratio of 3:1. Find out the average atomic mass.

Naturally occurring boron consists of two isotopes whese atomic weights are 10.01 and 11.01 . The atomic weight of natural boron is 10.81 . Calculate the percentage of each isotope in natural boron.