Show Elements
ID 25
Symbol Tb
Name Terbium
Density (g/cm<sup>3</sup>) 8.22
Atomic Number 65
Molecular Weight 159
Melting Point (K) 1629
Boiling Point (K) 3503
Specific Heat Capacity (J/kg K) 182
Electro Negativity 1.2
Curie temperature (K) 222
Bohr Magneton (J/T)
Magnetization Saturation (MA m<sup>-1</sup>)
Crystal Structure ​Hexagonal close-packed (hcp)
Appearance Silvery white
Element category Lanthanide
Magnetic ordering Paramagnetic 
Discovery Carl Gustaf Mosander (1843)
General Information Terbium is a member of the lanthanide or rare earth group of elements. The silver-gray metal, which is relatively stable in air, is malleable and can be cut with a knife. Two crystal modifications are known.
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