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Krypton

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by

Sydney Laicha

on 6 October 2014

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Transcript of Krypton

The Discovery
In 1898, Scottish chemist William Ramsay and his assistant Morris Travers, discovered the element in London England. Ramsay also discovered the elements, helium and argon.
Details
Classification:
Nonmetal, Noble Gas
Atomic weight:
83.80
Atomic number:
36
State:
gas
Melting point:
115.9 K
Boiling point:
119.4 K
Density @ 20 C:
0.003708 g/cm
Characteristics
colorless
odorless
inert gas
non-toxic
The Atom
Interesting Facts
Krypton-fluorine lasers produce pulses with 500 times the power of the entire U.S. electrical grid. Not surprisingly, these pulses are of short duration: four billionths of a second.
Krypton is not very abundant in our planet’s atmosphere: For every krypton atom, there are about 8200 argon atoms, 184 000 oxygen molecules and 685 000 nitrogen molecules.
Uses of Krypton
Used in lighting products
high-powered, flashing airport runway lights
'neon light' style signs
used as a filling gas for energy-saving fluorescent lights
Used by astronomers to measure how much nucleosynthesis has taken place in any region of interstellar space.
Krypton
Number of Neutrons
Number of Protons
36 Electrons
Full transcript