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sulfur
Image: Wikimedia Commons

sulfur

Chemical element with symbol S and atomic number 16

Chemical elementchemical elementchalcophile elementQ682

Also known as sulphur · element 16 · brimstone

Symbol
Atomic number
  • 16
Mass
Melting point
  • 388.36 K
Boiling point
  • 718.2 K
Density
Discovered by
Discovered
  • 1777

Overview

All data

200 statements · 17% with external sources · numbers in brackets are citations

Oxidation state
  • -2
  • 2
  • 4
  • 6
  • -1
  • 1
  • 3
  • 5
Show 1 more
  • 0
Subclass of
Canonical SMILES
  • [S]
Different from
Unicode character
Has use
Electronegativity
  • 2.58
Formula
  • S
Part of
Found in taxon
Electron configuration
  • [Ne] 3s² 3p⁴
  • 1s² 2s² 2p⁶ 3s² 3p⁴
Ionic radius
  • 1.84 ångström coordination number: 6 · charge number: -2
  • 0.37 ångström charge number: 4 · coordination number: 6
  • 0.12 ångström charge number: 6 · coordination number: 4
  • 0.29 ångström charge number: 6 · coordination number: 6
Space group
Crystal system
Thermal conductivity
  • 0.205 watt per metre kelvin
Specific heat capacity
  • 736 joule per kilogram kelvin
Point group
Standard enthalpy of formation
  • 277.17 kilojoule per mole state of matter: gas
  • 1.85 kilojoule per mole state of matter: liquid
Standard molar entropy
  • 167.829 joule per mole kelvin state of matter: gas
  • 36.85 joule per mole kelvin state of matter: liquid
  • 32.054 joule per mole kelvin state of matter: solid
Mohs' hardness
  • 2
Has characteristic
Ionization energy
Atomic radius
  • 100 picometre
Covalent radius
  • 105 picometre
Van der Waals radius
  • 180 picometre

On other databases

104 identifiers linking sulfur across the web's reference databases