54
Xe
Xenon
Noble gas period 5 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
- 54
- Atomic mass
- 131.29 a.m.u.
- Electron configuration
- [Kr]5s2 4d10 5p6
- Electronegativity
- 2.6 on the Pauling scale
- Atomic radius
- 216 pm
- Ionization energy
- 12.130 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
- 161.36 K (-111,79 °C)
- Boiling point
- 165.03 K (-108,12 °C)
- Density
- 0.005887 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.