IB definitions for Year 1 HL Chemistry content
| Front | Hybridization |
| Back | Mixing of atomic orbitals in an atom when it is bonding at an intermediate energy level |
| Front | The mass spectrometer |
| Back | Device that can be used to find mass of isotopes and their relative percent abundances |
| Front | The mole |
| Back | Amount of particles in 12g of carbon |