" The isotopes of chlorine with mass numbers "35" and "37" exist in the ratio of "

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.

Chlorine occurs in nature in two isotopes forms of masses 35 u and 37 u in the ratio of 3:1 respectively. What is the average atomic mass of the Chlorine atom ?

Two types of atoms of chlorine have atomic masses 35 and 37, then why is the atomic mass of chlorine taken as 35.5?

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?