The Chemical formula of iron is (I).
Properties of iron
| Properties | Details |
| Symbol | Fe |
| Atomic number | 26 |
| Color | Silvery-grey |
| Reactivity | Reacts with oxygen to form iron oxide (rust) |
| Phase at room temp | Solid |
| Melting point | 1,538 °C (2,800 °F) |
| Atomic mass | 55.845 u |
| Boiling point | 2,862 °C (5,184 °F) |
| Density | 7.87 g/cm³ |
| Magnetic | ferromagnetic |
| Uses | · Construction,
· manufacturing, · transportation, · tools |
Reaction of iron with Alkaline Earth Metal
| Alkaline Earth Metal | Reaction | Products |
| Beryllium (Be) | No product | – |
| Magnesium (Mg) | Fe and MgO react and changes into FeO and Mg | Iron(II) oxide (FeO) ,
magnesium oxide (MgO) |
| Calcium (Ca) | Fe and CaO react and changes into FeO and Ca | Iron(II) oxide (FeO) , calcium oxide (CaO) |
| Strontium (Sr) | Fe and SrO react and changes into FeO and Sr | Iron(II) oxide (FeO) , strontium oxide (SrO) |
| Barium (Ba) | Fe and BaO react and changes into FeO and Ba | Iron(II) oxide (FeO) , barium oxide (BaO) |
Reaction of iron with Transition Metal
| Transition Metal | Reaction | Products |
| Sc,ium (Sc) | No product (requires high temperature , pressure) | – |
| Titanium (Ti) | Fe and TiO2 react and changes into FeO and Ti | · Iron(II) oxide (FeO) , · titanium dioxide (TiO2) |
| Vanadium (V) | 2Fe and 3V2O5 react and changes into 4FeO and 6VO | · Iron(II) oxide (FeO) ,
· vanadium(III) oxide (VO) |
| Chromium (Cr) | Fe and Cr2O3 react and changes into FeO and 2Cr | · Iron(II) oxide (FeO) ,
· chromium(III) oxide (Cr2O3) |
| Manganese (Mn) | Fe and MnO2 react and changes into FeO and Mn | · Iron(II) oxide (FeO) ,
· manganese dioxide (MnO2) |
| Iron (Fe) | No product | – |
| Cobalt (Co) | Fe and CoO react and changes into FeO and Co | · Iron(II) oxide (FeO) ,
· cobalt oxide (CoO) |
| Nickel (Ni) | Fe and NiO react and changes into FeO and Ni | · Iron(II) oxide (FeO) ,
· nickel oxide (NiO) |
| Copper (Cu) | No product (copper is less reactive than iron) | – |
| Zinc (Zn) | Fe and ZnO react and changes into FeO and Zn | · Iron(II) oxide (FeO) ,
· zinc oxide (ZnO) |
Reaction of iron with Non-Transition Metal
| Non-Transition Metal | Reaction | Products |
| Hydrogen (H) | Fe and 2HCl react and changes into FeCl2 and H2 | · Iron(II) chloride (FeCl2) ,
· hydrogen gas (H2) |
| Fe and 2H2O react and changes into Fe(OH)2 and H2 | · Iron(II) hydroxide (Fe(OH)2) ,
· hydrogen gas (H2) |
|
| Carbon (C) | Fe and C react and changes into FeC | · Iron carbide (FeC) |
| Nitrogen (N) | 3Fe and 2N2 react and changes into Fe3N4 | · Iron(II,III) nitride (Fe3N4) |
| Oxygen (O) | 4Fe and 3O2 react and changes into 2Fe2O3 | · Iron(III) oxide (Fe2O3) |
| Fe and O2 react and changes into FeO | · Iron(II) oxide (FeO) | |
| Sulfur (S) | Fe and S react and changes into FeS | · Iron(II) sulfide (FeS) |
Reaction of iron with Non-Metal
| Non-Metal | Reaction | Products |
| Carbon (C) | Fe and 2CO react and changes into Fe(CO)2 | · Iron carbonyl (Fe(CO)2) |
| 3Fe and 2CO react and changes into Fe3(CO)12 | Iron carbonyl (Fe3(CO)12) | |
| Nitrogen (N) | 4Fe and N2 react and changes into 2Fe2N | Iron nitride (Fe2N) |
| 3Fe and N2 react and changes into Fe3N2 | Iron nitride (Fe3N2) | |
| Oxygen (O) | 3Fe and 2O2 react and changes into Fe3O4 | Iron(II,III) oxide (Fe3O4) |
| 2Fe and O2 react and changes into 2FeO | Iron(II) oxide (FeO) | |
| Sulfur (S) | Fe and S8 react and changes into FeS8 | Iron sulfide (FeS8) |
| Fe and S react and changes into FeS | Iron(II) sulfide (FeS) | |
| Phosphorus (P) | 5Fe and P4 react and changes into Fe5P4 | Iron phosphide (Fe5P4) |
| 3Fe and 2P react and changes into Fe3P2 | Iron phosphide (Fe3P2) | |
| Silicon (Si) | Fe and SiO2 react and changes into FeO and Si | Iron(II) oxide (FeO) , silicon (Si) |
Reaction of iron with Metalloid
| Metalloid | Reaction | Products |
| Boron (B) | 2Fe and 3B2O3 react and changes into 4FeB and 3O2 | Iron boride (FeB) , oxygen (O2) |
| Fe and B2O3 react and changes into Fe2B and 3/2O2 | Iron boride (Fe2B) , oxygen (O2) | |
| Silicon (Si) | Fe and SiO2 react and changes into FeO and Si | Iron(II) oxide (FeO) , silicon (Si) |
| Germanium (Ge) | Fe and GeO2 react and changes into FeO and Ge | Iron(II) oxide (FeO) , germanium (Ge) |
| Arsenic (As) | 3Fe and 2As2O3 react and changes into 2Fe3As4O6 and 1/2O2 | Iron arsenate (Fe3As4O6) , oxygen (O2) |
| Antimony (Sb) | 3Fe and 2Sb2O3 react and changes into Fe3Sb4O6 and 1/2O2 | Iron antimonate (Fe3Sb4O6) , oxygen (O2) |
Reaction of iron with Lanthanide
| Lanthanide | Reaction | Products |
| Cerium (Ce) | 2Fe and 3CeCl3 react and changes into 2FeCl3 and 3Ce | Iron(III) chloride (FeCl3) , cerium (Ce) |
| Praseodymium (Pr) | 2Fe and 3PrCl3 react and changes into 2FeCl3 and 3Pr | Iron(III) chloride (FeCl3) , praseodymium (Pr) |
| Neodymium (Nd) | 2Fe and 3NdCl3 react and changes into 2FeCl3 and 3Nd | Iron(III) chloride (FeCl3) , neodymium (Nd) |
| Samarium (Sm) | 2Fe and 3SmCl3 react and changes into 2FeCl3 and 3Sm | Iron(III) chloride (FeCl3) , samarium (Sm) |
| Europium (Eu) | 2Fe and 3EuCl3 react and changes into 2FeCl3 and 3Eu | Iron(III) chloride (FeCl3) , europium (Eu) |
| Gadolinium (Gd) | 2Fe and 3GdCl3 react and changes into 2FeCl3 and 3Gd | Iron(III) chloride (FeCl3) , gadolinium (Gd) |
| Terbium (Tb) | 2Fe and 3TbCl3 react and changes into 2FeCl3 and 3Tb | Iron(III) chloride (FeCl3) , terbium (Tb) |
| Dysprosium (Dy) | 2Fe and 3DyCl3 react and changes into 2FeCl3 and 3Dy | Iron(III) chloride (FeCl3) , dysprosium (Dy) |
| Holmium (Ho) | 2Fe and 3HoCl3 react and changes into 2FeCl3 and 3Ho | Iron(III) chloride (FeCl3) , holmium (Ho) |
| Erbium (Er) | 2Fe and 3ErCl3 react and changes into 2FeCl3 and 3Er | Iron(III) chloride (FeCl3) , erbium (Er) |
| Thulium (Tm) | 2Fe and 3TmCl3 react and changes into 2FeCl3 and 3Tm | Iron(III) chloride (FeCl3) , thulium (Tm) |
| Ytterbium (Yb) | 2Fe and 3YbCl3 react and changes into 2FeCl3 and 3Yb | Iron(III) chloride (FeCl3) , ytterbium (Yb) |
| Lutetium (Lu) | 2Fe and 3LuCl3 react and changes into 2FeCl3 and 3Lu | Iron(III) chloride (FeCl3) , lutetium (Lu) |
Reaction of iron with Actinide
| Actinide | Reaction | Products |
| Uranium (U) | Fe and UO2 react and changes into FeO and U | Iron(II) oxide (FeO) , uranium (U) |
| Fe and UO2 and 4HCl react and changes into FeCl2 and UCl4 and 2H2O | Iron(II) chloride (FeCl2), uranium(IV) chloride (UCl4), , water (H2O) | |
| Fe and UO2 and 8HF react and changes into FeF2 and UF4 and 2H2O | Iron(II) fluoride (FeF2), uranium(IV) fluoride (UF4), , water (H2O) | |
| Plutonium (Pu) | 2Fe and 3PuCl3 react and changes into 2FeCl3 and 3Pu | Iron(III) chloride (FeCl3) , plutonium (Pu) |
| Americium (Am) | Fe and AmCl3 react and changes into FeCl2 and Am | Iron(II) chloride (FeCl2) , americium (Am) |
| Curium (Cm) | 2Fe and 3CmCl3 react and changes into 2FeCl3 and 3Cm | Iron(III) chloride (FeCl3) , curium (Cm) |
| Californium (Cf) | Fe and CfCl3 react and changes into FeCl2 and Cf | Iron(II) chloride (FeCl2) , californium (Cf) |
| Einsteinium (Es) | Fe and EsCl3 react and changes into FeCl2 and Es | Iron(II) chloride (FeCl2) , einsteinium (Es) |
| Fermium (Fm) | Fe and FmCl3 react and changes into FeCl2 and Fm | Iron(II) chloride (FeCl2) , fermium (Fm) |
| Mendelevium (Md) | Fe and MdCl3 react and changes into FeCl2 and Md | Iron(II) chloride (FeCl2) , mendelevium (Md) |
| Nobelium (No) | Fe and NoCl3 react and changes into FeCl2 and No | Iron(II) chloride (FeCl2) , nobelium (No) |
| Lawrencium (Lr) | Fe and LrCl3 react and changes into FeCl2 and Lr | Iron(II) chloride (FeCl2) , lawrencium (Lr) |