Question

The two most common isotopes of argon (Ar) are argon-36 and argon-40. Given that the average atomic mass is 39.95, what can be said about the relative abundance of each isotope? Which is more common and how do you know? No calculation is necessary. I am looking for a simple written response.

Answer 1

Argon-40

the reason this is abundent is because this is a more common isotope

Step-by-step explanation: