-- card: 28153 from stack: in
-- bmap block id: 0
-- flags: 0000
-- background id: 14320
-- name: Ru


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Ru

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Ruthenium

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44

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101.07

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12.41

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2310

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3900

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0,+1,+2,+3,+4,+5,+6,+7,+8

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(L. Ruthenia, Russia ) Discovered in 1827 by Osann and in 1844 officially by Klaus. Occurs with platinum and other ores in North and South America, and in pyroxinite deposits in South Africa. 

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hard, white transition metal, does not tarnish at room temp. (at 800 C) , resistant to acids but is explosive in the presence of potassium chlorate, some compounds highly toxic and explosive

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hardener for platinum and palladium, alloying for corrosion resistance, superconductive

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0.125

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Electron Configuration:

1s  2s  2p  3s  3p  3d  4s  4p  4d  4f  5s  5p  5d  5f  6s  6p  6d  6f  7s 
 2   2    6    2    6   10   2   6    7        1