Problems and exercisesConstitution
1. Protons, neutrons and electrons
State how many protons, neutrons and electrons the atoms 6Li, 7Li and 23Na have (atomic numbers: Li = 3, Na = 11).
2. How many electrons fit?
What is the maximum number of electrons in shell 2? And in shell 3?
3. Quantum numbers
Write the possible quantum numbers of an electron in a 2p orbital.