All learning paths

Nuclei, electrons and periodic chemistry

Chem/Phys section: 59 questions in 95 minutes.

5 Lessons
  1. The atomic nucleus: decay, half-life and isotopesFoundations · Free
  1. Electronic structure: levels, spectra and magnetismCore
  1. The periodic table: families by electronic structureFoundations
  1. Periodic trends: ionization, affinity, electronegativity and sizeCore
  1. Stoichiometry: moles, formulas, redox and yieldCore

The atomic nucleus: decay, half-life and isotopes

Start