Krypton (Kr)
A fascinating noble gas element.
Krypton is element 36 on the periodic table.
Element properties
- Atomic number
- 36
- Symbol
- Kr
- Atomic mass
- 83.798 u
- Category
- Noble Gas
- Period
- 4
- Group
- 18
- Block
- p
- State
- Gas
- Electron configuration
- [Ar] 3d10 4s2 4p6
- Electronegativity (Pauling)
- 3
- Density
- 0.003733 g/cm³
- Melting point
- -157.3 °C
- Boiling point
- -153.2 °C