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Argon

Published on Nov 20, 2015

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1.

ARGON

Mary Margaret Henderson
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2.

ARGON

  • The symbol is Ar
  • The atomic number is 18
  • The atomic weight 39.948
  • Group number is 18
  • Group number is noble gas
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3.

ARGON

  • Period number 288
  • Standard state gas
  • Colorless
  • Classification other non metals
  • Block 8a
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4.

ARGON

  • Density 0.oo17837
  • Melting point 83.80 k
  • Boiling point 87.30
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5.

ARGON

  • Discovered by sir William Ramsay and lord Rayleigh in 1894
  • Obtained from air byproduct of the production of oxygen and nitrogen
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6.

ARGON

  • Known to form at least one compound
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7.

INTERESTING FACTS

  • Makes up 1.28% of Earth atmosphere
  • First noble gas discovered
  • 38% denser than air
  • Colorless, odorless, and nontoxic in all states
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8.

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9.

WORK CITIED

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Maggie Henderson