|Discovered by||Krypton was discovered by Sir William Ramsay and Morris Travers|
Chemical Properties Of Krypton
|Group||18||Melting point||−157.37°C, −251.27°F, 115.78 K|
|Period||4||Boiling point||−153.415°C, −244.147°F, 119.735 K|
|Block||p||Density (g cm−3)||0.003425|
|Atomic number||18||Relative atomic mass||83.798|
|State at 20°C||Solid||Key isotopes||84Kr|
|Electron configuration||[Ar] 3d104s24p6||CAS number||7439-90-9|
|ChemSpider ID||5223||ChemSpider is a free chemical structure database|
What is Krypton?
- Krypton is a chemical element and a rare gas of the Group 18 with atomic number 18 and symbol Ar in the periodic table.
- This gas is almost three times heavier than the air.
- It is colourless, tasteless, monatomic and odourless.
- This gas is more plentiful in Earth’s atmosphere as its traces are present in minerals and meteorites. Earth’s atmosphere contains 1.14 parts per million of the volume of Krypton.
Uses Of Krypton
- It is used in various electric and fluorescent lamps and also in a flash lamp that is employed in high-speed photography.
- They could even react with the very reactive gas fluorine.
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