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Symbol :Kr |
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Discovered : by Sir
William Ramsay and M.W. Travers in 1898 Origin : The name is derived from the Greek ‘kryptos’, meaning hidden.
Atomic mass:83.8 Atomic #:36 Number of
Boiling point:119.93K (-153.22C or -243.80F) Melting point:115.79 K (-157.36C or -251.25F) Freezing point: 115.79 K (-157.36C or -251.25F) Density:0.003733 grams per cubic centimeter Electro negativity:3.00 (Pauling scale) Its group is the noble gases.
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Superman's weakness is Kryptonite which another form of krypton. Superman originally came from the planet krypton. Description: A colorless,
odorless gas that is inert to everything but fluorine gas. The isotope
krypton 86 has a line in its atomic spectrum that is now the standard measure
of length : 1 meter is defined as exactly
1,650,763.73 wavelengths of this line. Krypton is one of the rarest gases in
the Earth’s atmosphere, accounting for only 1 part per million by volume. Krypton can be found in lights and light bulbs, This is both useful and dangerous. |
Krypton
