Chem/Phys · 4E

Atoms and nuclear physics

Content category 4E. 17 questions in 3 sets, each with reasoning for every answer choice.

Set 1 · Atomic structure

  1. Electron capacity of a shelleasy
  2. Photoelectric effect: intensity vs. frequencymedium
  3. Hydrogen emission: n = 3 to n = 2medium
  4. Allowed quantum numbersmedium
  5. Electron configuration of coppermedium

Set 2 · Atomic structure

  1. Hund's rulemedium
  2. Photoelectric effect: maximum kinetic energymedium
  3. Photoelectric threshold wavelengthmedium
  4. Half-life: fraction remainingeasy
  5. Alpha decay: mass and atomic numbereasy

Set 3 · Nuclear decay

  1. Beta-minus decayeasy
  2. Half-life from a drop in activityhard
  3. Identifying positron emissionhard
  4. Why fission and fusion both release energymedium
  5. Mass–energy equivalencehard
  6. Ionization energy across a periodeasy
  7. Atomic radius trendseasy