ഫലകം:Infobox sulfur

Sulfur, ₀₀S

Sulfur
Allotropes	see Allotropes of sulfur
Appearance	Lemon yellow crystals.
Standard atomic weight Ar°(S)
	[32.059, 32.076] 32.06±0.02 (abridged)
Sulfur 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 O ↑ S ↓ Se phosphorus ← sulfur → chlorine
Group	group 16 (chalcogens)
Period	period 3
Block	p-block
Electron configuration	[Ne] 3s2 3p4
Electrons per shell	2, 8, 6
Physical properties
Phase at STP	solid
Melting point	388.36 K ​(115.21 °C, ​239.38 °F)
Boiling point	717.8 K ​(444.6 °C, ​832.3 °F)
Density (near r.t.)	(alpha) 2.07 g/cm3 (beta) 1.96 g/cm3 (gamma) 1.92 g/cm3
when liquid (at m.p.)	1.819 g/cm3
Critical point	1314 K, 20.7 MPa
Heat of fusion	(mono) 1.727 kJ/mol
Heat of vaporization	(mono) 45 kJ/mol
Molar heat capacity	22.75 J/(mol·K)
Vapor pressure P (Pa) 1 10 100 1 k 10 k 100 k at T (K) 375 408 449 508 591 717
Atomic properties
Oxidation states	common: −2, +2, +4, +6 −1, 0, +1, +3, +5
Electronegativity	Pauling scale: 2.58
Ionization energies	(more)
Atomic radius	empirical: 100 pm calculated: 88 pm
Covalent radius	102 pm
Van der Waals radius	180 pm
Spectral lines of sulfur
Other properties
Natural occurrence	primordial
Crystal structure	​orthorhombic
Thermal conductivity	(amorphous) 0.205 W/(m⋅K)
Electrical resistivity	(amorphous) 2×1015 Ω⋅m (at 20 °C)
Magnetic ordering	no data
Bulk modulus	7.7 GPa
Mohs hardness	2.0
CAS Number	7704-34-9
Isotopes of sulfur