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RUTHENIUM
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Atomic Symbol |
Ru |
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Atomic Weight |
101.07 |
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Atomic Number |
44 |
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Electron Configuration |
2-8-18-15-1 |
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Oxidation States |
+3
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State of Matter |
Solid heavy metal-ductile |
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Boiling Point |
3900 °C |
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Melting Point |
2250 °C |
HISTORY,
BACKGROUND & USES:
Discovered in 1844 by Karl Karlovich Klaus. Ruthenium is useful in hardening platinum and palladium as
an alloy. Silver- gray ruthenium looks like platinum but is harder,
more brittle, and rarer. Ruthenium is found among the fission
outputs of uranium and plutonium in nuclear reactors. Ruthenium
has four allotropic forms. The metal doesn't tarnish in air at
normal temperatures and resists attack to many strong acids.
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