Template:Infobox berkelium

Berkelium,  ₉₇Bk

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General properties
Pronunciation	Template:Infobox element/pronunciation
Appearance	silvery
Standard atomic weight (Ar, standard)	Template:Infobox element/standard atomic weight
Mass number	Template:Infobox element/symbol-to-most-stable-isotope (most stable isotope)
Berkelium in the periodic table
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Atomic number (Z)	97
Group	Template:Infobox element/group
Period	period 7
Block	f-block
Element category	Template:Infobox element/category format
Electron configuration	[Rn] 5f9 7s2
Electrons per shell	2, 8, 18, 32, 27, 8, 2
Physical properties
Phase at STP	solid
Melting point	beta: 1259 K ​(986 °C, ​1807 °F)
Boiling point	beta: 2900 K ​(2627 °C, ​4760 °F)
Density (near r.t.)	alpha: 14.78 g/cm3 beta: 13.25 g/cm3
Heat of fusion	7.92 kJ/mol (calculated)
Atomic properties
Oxidation states	Template:Infobox element/symbol-to-oxidation-state
Electronegativity	Pauling scale: 1.3
[[Ionization energy|Template:Engvar energies]]	1st: 601 kJ/mol
Atomic radius	empirical: 170 pm
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Other properties
Crystal structure	​Template:Infobox element/crystal structure Template:Infobox element/crystal structure
Thermal conductivity	10 W/(m·K)
Magnetic ordering	paramagnetic
CAS Number	7440-40-6
History
Naming	after Berkeley, California, where it was discovered
Discovery	Lawrence Berkeley National Laboratory (1949)
Main isotopes of berkelium
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