Alkaline Earth Metals

1
Group 2

• Alkaline Earth Metals

2
Group properties

• 2 valence electrons
• Forms 2 cations
• Not found free in nature

3
Be Beryllium

• Emeralds and aquamarines

4
Mg Magnesium

• Sparklers
• Chlorophyll
• Osmotic laxatives and medicines
• Construction alloys

5
CaCalcium

• Teeth, bones, and blood clotting
• Plaster and cement
• Stage lighting (limelight)
• Medication
• Makes hard water hard

6
SrStrontium

• Red fireworks
• Sr-90 from nuclear fallout (Calcium analog)

7
Ba Barium

• Intestinal X-ray contrast medium

8
Ra Radium

• Cancer treatment
• Formerly glow in the dark stuff like watch dials