By: Ashley Gonzales

1

• By Ashley Gonzales
• Professor Kimball
• 71242

2
The History of Strontium

• Strontium was discovered in 1790 by Adair
  Crawford accidentally while he was studying the
  mineral witherite.
• Strontium was named after the village Strontian
  in Scotland.

3
Strontiums Characteristics

• Strontium is an Alkaline Earth metal and its
  Atomic number 38
• Strontium's
  atomic mass
  is
  
  87.62 amu
• Strontium consists
  of 50
  neutrons,
  38 protons and
  electrons

• Strontium is silver and white
  naturally but when exposed to air turns into a
  yellow orange color.

4
Strontium In Nature

• Strontium is the 15th most common element found
  on earth.
• In addition, Strontium is found in nature as
  SrSO4 and SrCO3

5
Strontium in Nature Continued

• Since strontium is found in compounds it can be
  extracted by using electrolysis of the fused
  chloride mixed with potassium chloride.

6
Strontium Uses

• Strontiums main use to us is through television.
• The glass for color T.V. cathode ray tubes is
  made from Strontium compounds.

7
Strontium Uses Continued

• Strontium is also used in our society to make
  fireworks and flares.
• Strontium carbonate and strontium nitrate are
  excellent for creating fireworks and flares
  because they are so reactive to air.

8
Strontium Uses Continued

• Strontium is also used in its isotope 90Sr form
  as a product in nuclear
  explosions.
• Strontium is very deadly
  when used in this form
  because it is so radioactive
  and has a
  half-life of about
  29 years.

9
Effects of Strontium

• Because Strontium
  is so reactive with
  air, it spontaneously
  
  combusts making pure
  strontium
  unsafe as it is
  considered a
  fire hazard.
• But because Strontium and Calcium have such
  similar characteristics, the stable forms of
  Strontium are considered safe and are absorbed by
  the human body as if it were Calcium.

10
The Cost

• The cost of pure Strontium is said to be about
  100 for 100 grams.

11
Sources

• http//en.wikipedia.org/wiki/Strontium
• http//www.chemicalelements.com/elements/sr.html
• http//education.jlab.org/itselemental/ele038.html