Fe
Iron is the most widely used metal and the most abundant element on Earth by mass.
Fisiese eienskappe
| Atomic Mass | 55.845 u |
| Density | 7.874 g/cm³ |
| Smelt punt: | 1811.0 K |
| Boiling Point | 3134.0 K |
| Appearance | Lustrous metallic with grayish tinge |
| Toestand by kamerkomp | Solied |
Chemical Properties
| Electronegativity | 1.83 (TrinidadCity name (optional, probably does not need a translation)) |
| 1st Ionization Energy | 762.5 kJ/mol |
| Electron Affinity | 14.6 kJ/mol |
| Oxidation States | +2, +3, +4, +5, +6 |
Atomic Properties
| Electron Configuration | [Ar] 3d6 4s2 |
| Atomic Radius | 126.0 pm |
| Covalent Radius | 132.0 pm |
| Atomic radius: | 194.0 pm |
Discovery
| Discovered By | Known since antiquity |
| Location | Various |
| Genoemde Na | Anglo-Saxon 'iren'; symbol Fe from Latin 'ferrum' |
About Iron
Iron is a lustrous, ductile, malleable, silver-gray metal and the most used of all metals. It forms much of Earth's core. Iron has been used by humans for at least 5,000 years. Hemoglobin uses iron to transport oxygen in blood.
Gebruiks & Programme
Steel production, construction, automobiles, machinery, tools, cast iron cookware, and dietary supplements.
Fun Fact
Iron is literally in your blood -- hemoglobin uses iron atoms to carry oxygen. The average adult body contains about 4 grams of iron.
Isotopes
| Definieer Molekulêr Gewigte | Abundance | Half-Life | Stabiel |
| 54 | 0.05845% | - | Ja |
| 56 | 0.91754% | - | Ja |
| 57 | 0.02119% | - | Ja |
| 58 | 0.00282% | - | Ja |
Electron Configuration
[Ar] 3d6 4s2