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Helium

Published on Nov 18, 2015

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PRESENTATION OUTLINE

1.

HELIUM

BY BROOKE BAKISH
Photo by 【Kelly D Photography】
2.

HELIUM

  • Element symbol - He
  • Atomic mass - 4.003
  • Atomic number - 2
  • Gas
Photo by ceslava.com
3.

HELIUM

  • Boiling point -268.93C
  • Melting point -272.20C
4.

HELIUM

  • Discovered October 20,1868
  • Norman Lockyer and Edward Frankland
  • France
  • From Helios (Greek for Sun)
5.

HELIUM

6.

HELIUM

7.

HELIUM

8.

HELIUM FAMILY VIIIA

  • Neon
  • Argon
  • Krypton
9.

USES

  • Filling balloons
  • The study of quantum mechanics
  • Welding shielding gas
  • Air blimps
  • Cooling superconductors
10.

WHERE IT IS FOUND

  • Stars
  • Natural gas wells in USA
11.

INTERESTING FACTS

  • "Quantum fluid"
  • Lowest melting point and boiling point
  • Can defy gravity
  • Greatest thermal conductivity

Deborah Lasala

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