Problems and exercisesPeriodic Table
1. Electron configurations
Write the electron configuration of carbon (Z = 6), nitrogen (Z = 7), oxygen (Z = 8) and sodium (Z = 11).
2. A family
What do fluorine, chlorine, bromine and iodine have in common?
Write the electron configuration of carbon (Z = 6), nitrogen (Z = 7), oxygen (Z = 8) and sodium (Z = 11).
What do fluorine, chlorine, bromine and iodine have in common?