Template:Infobox rutherfordium

Rutherfordium,  ₁₀₄Rf

General properties
Pronunciation	Template:Infobox element/pronunciation
Standard atomic weight (Ar, standard)	Template:Infobox element/standard atomic weight
Mass number	Template:Infobox element/symbol-to-most-stable-isotope (most stable isotope)
Rutherfordium in the periodic table
Template:Infobox element/periodic table
Atomic number (Z)	104
Group	Template:Infobox element/group
Period	period 7
Block	d-block
Element category	Template:Infobox element/category format
Electron configuration	[Rn] 5f14 6d2 7s2
Electrons per shell	2, 8, 18, 32, 32, 10, 2
Physical properties
Phase at STP	solid (predicted)
Melting point	2400 K ​(2100 °C, ​3800 °F) (predicted)
Boiling point	5800 K ​(5500 °C, ​9900 °F) (predicted)
Density (near r.t.)	23.2 g/cm3 (predicted)
Atomic properties
Oxidation states	Template:Infobox element/symbol-to-oxidation-state
[[Ionization energy|Template:Engvar energies]]	1st: 580 kJ/mol 2nd: 1390 kJ/mol 3rd: 2300 kJ/mol (more) (all but first estimated)
Atomic radius	empirical: 150 pm (estimated)
Covalent radius	157 pm (estimated)
Template:Infobox element/spectral lines
Other properties
Crystal structure	​Template:Infobox element/crystal structure Template:Infobox element/crystal structure (predicted)
CAS Number	53850-36-5
History
Naming	after Ernest Rutherford
Discovery	Joint Institute for Nuclear Research and Lawrence Berkeley National Laboratory (1964, 1969)
Main isotopes of rutherfordium
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