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Lutetium

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name Lutetium
latin Lutetium
french Lutécium
german Lutetium
symbol Lu
proton number 71
atomic weight 174.967
Pauling electronegativity 1.27
electronic configuration [Xe] 4f145d16s2
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melting point 1925 K, 1652°C, 3005°F
boiling point 3675 K, 3402°C, 6155°F
group -
period 6
state (by 20°C) solid
oxidation states +3
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Discoverer

Year of discovery Discoverers
1907 Georges Urbain
Baron Carl Auer von Welsbach (1858-1929)

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