Periodic Table of the Elements
Periodic Table




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name Ruthenium
latin Ruthenium
french Ruthénium
german Ruthenium
symbol Ru
proton number 44
atomic weight 101.07
Pauling electronegativity 2.2
electronic configuration [Kr] 4d75s1
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melting point 2607 K, 2334°C, 4233°F
boiling point 4423 K, 4150°C, 7502°F
group 8
period 5
state (by 20°C) solid
oxidation states +3, +4, +6, +8
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Year of discovery Discoverers
1828 Gottfried W. Osann
1844 Karl Klaus

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