Calculate the average atomic mass of gold with the 50% gold-197 and 50% being gold-198 (We’re working on calculating average atomic mass, I also need to show work so please show it if you can!)

Calculate the average atomic mass of gold with the 50% gold-197 and 50% being gold-198

(We’re working on calculating average atomic mass, I also need to show work so please show it if you can!)

It's too short. Write at least 20 characters to explain it well.

Explanation:

the atomic number will stay the same no matter how many electrons it has, so it doesn’t decrease nor increase. it’ll only change with a different number of protons