Question

The percentage abundance of two isotopes of boron in a natural sample are 80 and 20. The first isotope has 6 neutrons in the nucleus. If the actual atomic mass of boron is 11.01, calculate the mass numbers of the two isotopes.
No Spam​

Answer 1

Explanation:

your answer is in the above attachment.

hope this helps you.

please try to mark my answer as BRAINLIST.