Chemistry 3730 assignment 11 solutions

1. or .
2. Uranium has atomic number 92 so its (electronic) Hamiltonian is

   

   or, if you prefer to double count the electron-electron repulsion terms and divide by two,

   

   In the latter notation, it is understood that the second sum runs over the same values as the first.

3. Let

   

   Using Taylor's theorem,

   

   The size of the error sets the number of significant figures of y so we report .