Transcript Unit 4: Periodic Family Example PPT

Alkaline Earth Metals
BY: JOE EVEN AND ROB ECKHOFF
Alkaline Earth Metals
 2nd Family
 From Beryllium to Radium
 Shiny, silvery-white
 Somewhat reactive
Elements In Family
 Beryllium
 Magnesium
 Calcium
 Strontium
 Barium
 Radium
 Unbinilium
Oxidation # and Valence Shell
 Oxidation #= +2
 Beryllium: 2,2
 Magnesium: 2,8,2
 Calcium: 2,8,8,2
 Strontium: 2,8,18,8,2
All valence shells = 2
Physical Characteristics
 High melting point
 Dense
 Hard
Interesting Facts
 Found in Earth’s crust
 Conduct electricity well
 Extremely reactive
 Radium is harmful to life
Uses
 Beryllium is used in nuclear applications
 Radium is used to treat cancer
 Calcium is necessary for strong bones