Periodic Table · element
Krypton
Kr · Z 36
- atomic number
- 36
- atomic mass
- 83.798
- notation
- Kr
- group
- 18: Helium/Neon
- period
- 4
- state0c
- Gas
- state20c
- Gas
- occurrence
- Primordial
- density
- 0.003733
- melting pt
- -157.3
- boiling pt
- -153.22
- discovered
- 1898
- abundance
- 0.0001
- ore minerals
- the atmosphere (1 ppm)
- mined as
- Not mined
- extraction
- Air separation, at the bottom of the oxygen column.
categories
#Noble Gas#Nonmetal
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