Zusammenfassung der Ressource
Periodic Groups
- The Alkali Metals
- Reactivity from top to bottom
- Group 1A
- very reactive
- compounds
- The Alkaline Earth Metals
- Group 2A
- Dif. in reactivity shown by ways react with water.
- Harder than metals in 1A
- The Carbon Fam
- Group 4A
- metallic nature increases from to bottom
- The Nitrogen Fam
- Group 5A
- wide range of physical prop
- fertilizers often contain P
- The Boron Fam
- Group 3A
- contains mostly metals
- The Oxygen Fam
- oxygen is the most abundant element on earths crust
- Group 6A
- flammable
- The Halogens
- Group 7A
- highly reactive
- similar chemical prop
- The Noble Gases
- Group 8A
- extremely unreactive