Fe
Birta waa metalka ugu badan ee loo isticmaalo iyo qaybta ugu badan ee ku badan dhulka.
Eeg astaamaha
| Atomic mass | 55.845 u |
| Cidhiidhi | 7.874 g/cm³ |
| Natiijooyinka | 1811.0 K |
| Natiijooyinka | 3134.0 K |
| Muuqaalka | Luster metal ah oo leh midab cagaar ah |
| Xaaladda heerkulka qolka | Cidhiidhi |
Eegista
| Electronegativity | 1.83 (Pauling) |
| 1st Ionization | 762.5 kJ/mol |
| Istaraatiijiyad | 14.6 kJ/mol |
| Nidaamka | +2, +3, +4, +5, +6 |
_Cusub:
| Nidaamka | [Ar] 3d6 4s2 |
| Awooda | 126.0 pm |
| Xaraf | 132.0 pm |
| Van der Waals | 194.0 pm |
Dib u eegista
| La Ogaaday | Known since antiquity |
| _Meel | Waxyaabo kala duwan |
| Magacaabista | Anglo- Saxonii 'iren'; calaamad Fe laga soo qaatay Laatiinka 'ferrum' |
_Warbixinta Bir
Birta waa lustrous, ductile, malleable, lacag-cagaaran birta iyo ugu badan ee loo isticmaalo birta oo dhan. Waxay ka kooban tahay qayb ka mid ah core of Earth. Birta waxaa loo isticmaalaa dadka ugu yaraan 5,000 sano. Hemoglobin isticmaalaa birta in ay qaadaan oksijiinta dhiigga.
Barnaamijyada
Steel soo saarka, dhismaha, gaadiidka, mashiinada, qalabka, birta birta ah, iyo cunto dheeraad ah.
Xaqiiqo xiiso leh
Birta waa si dhab ah dhiigga - hemoglobin isticmaalaa atoms birta ah si ay u qaadaan oksijiin. jirka dadka waaweyn oo dhan waxaa ku jira ku saabsan 4 garaam oo bir ah.
Isotoobyo
| Tirada | Tirada | Half-Life | Xasiloon |
| 54 | 0.05845% | - | Haa |
| 56 | 0.91754% | - | Haa |
| 57 | 0.02119% | - | Haa |
| 58 | 0.00282% | - | Haa |
Nidaamka
[Ar] 3d6 4s2