Question

We take the atomic mass of chlorine to be 35.5u after taking the average of the atomic masses of its isotopes, i.e., chlorine-35 and chlorine-37. Why don't we do the same with all other elements?​

Answer 1

Answer: because these 2 are found equally commonly in nature

Explanation:

Also its not in portion so stop asking dum qs

Answer 2

Answer:

this is due to the Valence and there chemical reaction