ഫലകം:Infobox nickel

നിക്കൽ, ₀₀Ni

A pitted and lumpy piece of nickel, with the top surface cut flat
നിക്കൽ
Appearance	lustrous, metallic and silvery with a gold tinge
Standard atomic weight Ar°(Ni)
	ഫലകം:Infobox element/standard atomic weight format
നിക്കൽ 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 - ↑ Ni ↓ Pd കൊബാൾട്ട് ← നിക്കൽ → ചെമ്പ്
Group	group 10
Period	period 4
Block	d-block
Electron configuration	[Ar] 3d8 4s2 or [Ar] 3d9 4s1
Electrons per shell	2, 8, 16, 2
Physical properties
Phase at STP	ഖരം
Melting point	1728 K ​(1455 °C, ​2651 °F)
Boiling point	3186 K ​(2913 °C, ​5275 °F)
Density (near r.t.)	8.908 g/cm3
when liquid (at m.p.)	7.81 g/cm3
Heat of fusion	17.48 kJ/mol
Heat of vaporization	377.5 kJ/mol
Molar heat capacity	26.07 J/(mol·K)
Vapor pressure P (Pa) 1 10 100 1 k 10 k 100 k at T (K) 1783 1950 2154 2410 2741 3184
Atomic properties
Oxidation states	−2, −1, +1, +2, +3, +4, (a mildly basic oxide)
Electronegativity	Pauling scale: 1.91
Ionization energies	(more)
Atomic radius	empirical: 135 pm calculated: 149 pm
Covalent radius	121 pm
Van der Waals radius	163 pm
Spectral lines of നിക്കൽ
Other properties
Natural occurrence	primordial
Crystal structure	​face-centered cubic (fcc)
Speed of sound thin rod	4900 m/s (at r.t.)
Thermal expansion	13.4 µm/(m⋅K) (at 25 °C)
Thermal conductivity	90.9 W/(m⋅K)
Electrical resistivity	69.3 n Ω⋅m (at 20 °C)
Magnetic ordering	ferromagnetic
Young's modulus	200 GPa
Shear modulus	76 GPa
Bulk modulus	180 GPa
Poisson ratio	0.31
Mohs hardness	4.0
Vickers hardness	638 MPa
Brinell hardness	700 MPa
CAS Number	7440-02-0
Isotopes of നിക്കൽ