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americium
Image: Wikimedia Commons

americium

Chemical element with symbol Am and atomic number 95

Chemical elementchemical elementQ1872

Also known as element 95 · Am

Symbol
Atomic number
  • 95
Mass
Melting point
  • 1,449 K
Boiling point
  • 2,880 K
Density
  • 13,670 kg/m³
Discovered by
Discovered
  • 1944

Overview

All data

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

Named after
Canonical SMILES
Formula
Unicode character
Electronegativity
  • 1.13
Part of
Ionic radius
  • 0.98 ångström coordination number: 6 · charge number: 3
  • 1.09 ångström coordination number: 8 · charge number: 3
  • 0.85 ångström coordination number: 6 · charge number: 4
  • 0.95 ångström coordination number: 8 · charge number: 4
Thermal conductivity
  • 10 watt per metre kelvin
Electrical conductivity
  • 147.1 siemens per metre
Specific heat capacity
  • 0.11 joule per kilogram kelvin
Subclass of
Has characteristic
Ionization energy
Electron configuration
IPA transcription
  • ˌæməˈrɪsiəm language: English
Oxidation state
  • 3
  • 2
  • 4
  • 5
  • 6
  • 7
Crystal system
Atomic radius
  • 175 picometre
Covalent radius
  • 180 picometre

On other databases

58 identifiers linking americium across the web's reference databases