1. What was Planck’s quantum hypothesis? 2. Which has more potential energy—an electron close to an atomic nucleus or one far from an atomic nucleus? 3. Did Bohr think of his planetary model as an...

1. What was Planck’s quantum hypothesis?

2. Which has more potential energy—an electron close to an atomic nucleus or one far from an atomic nucleus?

3. Did Bohr think of his planetary model as an accurate representation of what an atom looks like?