36
Kr
Krypton
Noble gas period 4 group 18 p-block discovered: 1898
As a chemical element
Properties of the atom — they do not depend on what substance it is part of.
- Atomic number
- 36
- Atomic mass
- 83.80 a.m.u.
- Electron configuration
- [Ar]4s2 3d10 4p6
- Electronegativity
- 3 on the Pauling scale
- Atomic radius
- 202 pm
- Ionization energy
- 14.000 eV
- Oxidation states
- 0
As a simple substance
Properties of the substance these atoms form under ordinary conditions.
- State at 25 °C
- Gas
- Melting point
- 115.79 K (-157,36 °C)
- Boiling point
- 119.93 K (-153,22 °C)
- Density
- 0.003733 g/cm³
Materials about this element
-
5.4. Аргоноиды
Book page
Лайнус Полинг, Питер Полинг - Химия
Первый элемент в периодической таблице, водород, химически активен и образует огромное число соединений.