Answer
This set of values is impossible.
Work Step by Step
1. Is the atomic number equal to the number of protons?
- Yes, they are equal. (131)
2. Is the sum of the number of protons and neutrons equal to the mass number?
Sum: $131 + 79 = 210$
Mass number: 53
- No, they aren't equal (53 $\ne$ 210).
- Therefore, this set of values isn't possible.
