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Alkaline Earth Metals

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Group 2 Alkaline Earth Metals Group properties 2 valence electrons Forms +2 cations Not found free in nature Be Beryllium Emeralds and aquamarines Mg Magnesium ... – PowerPoint PPT presentation

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Title: 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
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