Periodic Groups

Periodic Groups

1. The Alkali Metals

   • Reactivity from top to bottom
   • Group 1A
   • very reactive
   • compounds

2. The Alkaline Earth Metals

   • Group 2A
   • Dif. in reactivity shown by ways react with water.
   • Harder than metals in 1A

3. The Carbon Fam

   • Group 4A
   • metallic nature increases from to bottom

4. The Nitrogen Fam

   • Group 5A
   • wide range of physical prop
   • fertilizers often contain P

5. The Boron Fam

   • Group 3A
   • contains mostly metals

6. The Oxygen Fam

   • oxygen is the most abundant element on earths crust
   • Group 6A
   • flammable

7. The Halogens

   • Group 7A
   • highly reactive
   • similar chemical prop

8. The Noble Gases

   • Group 8A
   • extremely unreactive