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samarium
Image: Wikimedia Commons

samarium

Chemical element with symbol Sm and atomic number 62

Chemical elementchemical elementQ1819

Also known as element 62 · 62Sm · Sm

Symbol
Atomic number
Mass
Melting point
  • 1,346 K
Boiling point
  • 2,173 K
Density
  • 7,386.52 kg/m³
Discovered by
Discovered

Overview

All data

127 statements · 25% with external sources · numbers in brackets are citations

Named after
Location of discovery
Canonical SMILES
Formula
Unicode character
Electronegativity
  • 1.17
Part of
Different from
Ionic radius
  • 1.19 ångström charge number: 2 · coordination number: 6
  • 1.27 ångström charge number: 2 · coordination number: 8
  • 0.96 ångström charge number: 3 · coordination number: 6
  • 1.08 ångström charge number: 3 · coordination number: 8
  • 1.24 ångström charge number: 3 · coordination number: 12
Made from material
Space group
Crystal system
Bulk modulus
  • 36.7B Pa
Shear modulus
  • 24B Pa
Poisson's ratio
  • 0.231
Thermal conductivity
  • 13 watt per metre kelvin
Electrical conductivity
  • 1,060,000 siemens per metre
Speed of sound
  • 2,130 m/s
Subclass of
Point group
Has characteristic
Ionization energy
Electron configuration
IPA transcription
Oxidation state
  • 3
  • 0
  • 1
  • 2
Atomic radius
  • 185 picometre
Covalent radius
  • 198 picometre

On other databases

63 identifiers linking samarium across the web's reference databases