1. What is the value of the 1s wave function at 54 picometers from the nucleus of a H atom?

2. What is the value of the 1s wave function at 54 picometers from the nucleus of a He atom?

3. What is the value of a 2 px wave function at 108 picometers on the x axis for a C atom?

4. What fraction of the total charge lies between 54 and 55 picometers for a 1 s state of an H atom?