ഫലകം:Infobox iron

ഇരുമ്പ്, ₀₀Fe

Pure iron chips with a high purity iron cube
ഇരുമ്പ്
Allotropes	see Allotropes of iron
Appearance	lustrous metallic with a grayish tinge
Standard atomic weight Ar°(Fe)
	55.845±0.002 55.845±0.002 (abridged)
ഇരുമ്പ് in the periodic table
Hydrogen Helium Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson - ↑ Fe ↓ Ru മാംഗനീസ് ← ഇരുമ്പ് → കൊബാൾട്ട്
Group	group 8
Period	period 4
Block	d-block
Electron configuration	[Ar] 3d6 4s2
Electrons per shell	2, 8, 14, 2
Physical properties
Phase at STP	ഖരം
Melting point	1811 K ​(1538 °C, ​2800 °F)
Boiling point	3134 K ​(2862 °C, ​5182 °F)
Density when liquid (at m.p.)	6.98 g/cm3
Heat of fusion	13.81 kJ/mol
Heat of vaporization	340 kJ/mol
Molar heat capacity	25.10 J/(mol·K)
Vapor pressure P (Pa) 1 10 100 1 k 10 k 100 k at T (K) 1728 1890 2091 2346 2679 3132
Atomic properties
Oxidation states	ഫലകം:Element-symbol-to-oxidation-state-entry
Electronegativity	Pauling scale: 1.83
Ionization energies	(more)
Atomic radius	empirical: 140 pm calculated: 156 pm
Covalent radius	125 pm
Spectral lines of ഇരുമ്പ്
Other properties
Natural occurrence	primordial
Crystal structure	​body-centered cubic a=286.65 pm; face-centered cubic between 1185–1667 K body-centered cubic a=286.65 pm; face-centered cubic between 1185–1667 K
Thermal expansion	11.8 µm/(m⋅K) (at 25 °C)
Thermal conductivity	80.4 W/(m⋅K)
Electrical resistivity	96.1 n Ω⋅m (at 20 °C)
Magnetic ordering	ferromagnetic
Young's modulus	211 GPa
Shear modulus	82 GPa
Bulk modulus	170 GPa
Speed of sound thin rod	(electrolytic) 5120 m/s (at r.t.)
Poisson ratio	0.29
Mohs hardness	4.0
Vickers hardness	608 MPa
Brinell hardness	490 MPa
CAS Number	7439-89-6
Symbol	"Fe": from Latin ferrum
Isotopes of ഇരുമ്പ്