Periodicity

The Evolution of the Periodic System Group 1 response Group 2 response Group 3 response Group 4 response Group 5 response Group 6 response

Periodic Trends Group 1 - Atomic Radius across a period Group 2 - Atomic Radius down a group/family Group 3 - Ionization Energy across a period Group 4 - Ionization Energy down a group/family Group 5 - Electron Affinity across a period Group 6 - Electron Affinity down a group/family

Other Periodic Trends Group 1 - Melting Point Group 2 - Boiling Point Group 3 - Density Group 4 - Enthalpy of Fusion Group 5 - Specific Heat Group 6 - Enthalpy of Vaporization

Element Investigation Element Lab