1. The Great 8!
By: Paige Boyd

2. The Alkali Metals Members: Lithium Sodium Potassium Rubidium Cesium
Francium
5 Facts:
Have a single Valence Electron
Are Extremely Reactive
They are found in nature only in compounds
The reactivity increases as you move down the list
Even in air they react quickly to cover their surfaces with oxides

3. Alkaline Earth Metals Members: Beryllium <- Magnesium Calcium
Strontium
Barium
Radium
5 Facts:
Have two Valence Electrons
They are harder then Alkali Metals
All are metallic elements
Have a oxidation number of +2
Not found freely in nature

4. The Boron Family Members: Boron Aluminum Gallium Indium Thallium
5 Facts:
Have three Valence Electrons
They don’t occur naturally in their element form
All but boron will chemically react at a moderate temperature
They are metallic solids except for boron that is a solid metalloid
Relatively soft metals

5. The Carbon Family Members: Carbon Silicon Germanium Tin Lead 5 Facts:
Contains a nonmetal, two metalloids, and two metals
Have four Valence Electrons
The Metallic nature increases as you go down the list
The last two elements, tin and lead are distinctly metals
The change from non-metallic to metallic character with the increase in atomic number

6. The Nitrogen Family Members: Nitrogen Phosphorus Arsenic Antimony
Bismuth
5 Facts:
Contains two nonmetals, two metalloids, and one metal
Has five Valence Electrons
Nitrogen and Phosphorus are the most important elements in this group
Except for nitrogen, the elements are solid at room temperature
They have a oxidation number of +3 or +5

7. The Oxygen Family Members: Oxygen Sulfur Selenium Tellurium Polonium
5 Facts:
Has three nonmetals, and two metalloids
All have six Valence Electrons
Also they are called the chalcogens
These can be found in nature in both free and combined states
They are considered part of the Main Group elements

8. The Halogens Members: Fluorine Chlorine Bromine Iodine Astatine
5 Facts:
Each have seven Valence Electrons
Despite their physical differences, they have similar chemical properties
Are reactive nonmetals
The word halogen means salt forming
The halogens all have a strong, often nasty, smell

9. The Noble Gases Members: Helium Neon Argon Krypton Xenon Radon
5 Facts:
Helium has two Valence Electrons
The other elements have eight Valence Electrons
They are colorless, odorless, and highly reactive
They are also known as the inert gases
They are sometimes call Group 0