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Argon
Title: Argon
Category: Science & Technology
Details: Words: 186 | Pages: 0.8 (approximately 235 words/page)
Argon
Atomic # 18
Argon (Ar)
Atomic Mass: 39.948 amu
Isotopes:
Isotope Protons Neutrons Electrons
Ar-36 36 4 36
Ar-37 37 3 37
Ar-38 38 2 38
Ar-39 39 1 39
Group #: 18
Noble Gases
Type of Element: Gas
History: It’s presence in
the air was Suspected by
Cavendish in 1785. It was
Discovered 1894 by Sir
William Ramsey and
Lord Raleigh.
°°°°°°°°
Boiling Point: -185.7 °C, 87.3 K, -302.3 °F
Melting Point: -189.5 °C, 83.85 K, -308.74 °F
Density: 1.7824 g/L
Physical And Chemical Properties: color less, odor less, crystal structure: cubic, has about the same solubility as oxygen, …showed first 75 words of 186 total…
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…showed last 75 words of 186 total…as oxygen, heat of vaporization: 6.447kJ/mol
How You Get Argon: Argon is isolated by removing nitrogen, oxygen, carbon dioxide and water form the air.
Where Argon is Found: Argon makes up 1% of the air.
Origin of the Name and Symbol: Argon comes form the Latin word argon and so does the symbol.
Uses: Argon is used for lighting. Mainly in neon lights. It provides an inert atmosphere. Also it is used in “Geiger counters”.
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