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Elements

Published on Nov 18, 2015

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MORE DECKS TO EXPLORE

PRESENTATION OUTLINE

1.

STRONTIUM

  • Symbol: Sr
  • Discovered: 1780
  • Atomic number: 38
  • Atomic Mass: 87.62
  • Density: 2.64g/cm3
Photo by fdecomite
2.

PHASE CHANGES

MELTING POINT: 777*C OR 1431*F
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3.

PHASE CHANGES

BOILING POINT: 1382*C OR 2520*F
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4.

METAL ELEMENT

THE 'ALKALINE' FAMILY
Photo by .K.Snod.
5.

COMBINED ELEMENTS

TOGETHER STRONTIUM, SULFUR, AND OXYGEN MAKES 'CELESTITE'
Photo by Sándor
6.

COMBINATIONS

TOGETHER STRONTIUM, CARBON, AND OXYGEN MAKES 'STRONTIANITE'
7.

COMMONS USES TODAY

  • Color for tv's
  • Iron magnets
  • Fireworks
8.

"Dangers"
Strontium is strongly radioactive and is absorbed by the body. Accumulates in the skeletal system and affects the production of new blood cells. Then eventually death.

9.

OXIDATION NUMBER

+2
10.

ELECTRONS THAT ORBITS

5 ELECTRONS ORBITS STRONTIUM
11.

SCIENTIST WHO WORKED WITH THE ELEMENT

SIR HUMPHRY DAVY
12.

DISCOVERER

ADAIR CRAWFORD

Khalif Jackson