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Oiho
Essay specific features
Written by:
Mary M
Date added:
June 1, 2015
Level:
College
Grade:
A
No of pages / words:
1 / 225
Was viewed:
10231 times
Rating of current essay:
Essay content:
Krypton is one of the rarest gases in the Earth’s atmosphere, accounting for only 1 part per million by volume.
Atomic Number: 36
Atomic Weight: 83.798
Melting Point: 115.79 K (-157.36°C or -251.25°F)
Boiling Point: 119.93 K (-153.22°C or -243.80°F)
Density: 0.003733 grams per cubic centimeter
Phase at Room Temperature: Gas
Element Classification: Non-metal
Period Number: 4 Group Number: 18 Group Name: Noble Gas
What's in a name? From the Greek word for hidden, kryptos...
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Krypton is used in some types of photographic flashes used in high speed photography. Some fluorescent light bulbs are filled with a mixture of krypton and argon gases. Krypton gas is also combined with other gases to make luminous signs that glow with a greenish-yellow light. In 1960, the length of the meter was defined in terms of the orange-red spectral line of krypton-86, an isotopes of krypton...
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