13
Al
Aluminum
Post-transition metal period 3 group 13 p-block discovered: Ancient
As a chemical element
Properties of the atom — they do not depend on what substance it is part of.
- Atomic number
- 13
- Atomic mass
- 26.981538 a.m.u.
- Electron configuration
- [Ne]3s2 3p1
- Electronegativity
- 1.61 on the Pauling scale
- Atomic radius
- 184 pm
- Ionization energy
- 5.986 eV
- Electron affinity
- 0.441 eV
- Oxidation states
- +3
As a simple substance
Properties of the substance these atoms form under ordinary conditions.
- State at 25 °C
- Solid
- Melting point
- 933.437 K (660,29 °C)
- Boiling point
- 2792 K (2 518,85 °C)
- Density
- 2.70 g/cm³
Materials about this element
-
11.8. Электролитическое получение металлов
Book page
Лайнус Полинг, Питер Полинг - Химия
Электролитическими методами получают многие металлы и некоторые неметаллы.