Summarize The Salient Features Of Group 2 Elements

Summarize the salient features of Group 2 elements

Group 2 Elements
Physical Properties
Chemical Properties
Reactivity
Occurrence
Hardness
Density
Melting and Boiling Points
Reaction with Water
Reaction with Oxygen
Reaction with Halogens
Reactivity with Acids
Reactivity with Bases
Abundance in Earth's Crust
Extraction and Refining