-- card: 33862 from stack: in
-- bmap block id: 0
-- flags: 0000
-- background id: 14320
-- name: Re


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Re

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Rhenium

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75

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186.207

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21.02

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3180

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5627

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-1,+1,+2,+3,+4,+5,+6,+7

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(L. Rhenus, Rhine) Discovered by Noddack, Tacke and Berg in 1925. Found in gadolinite and molybdenite. Does not occur freely in nature, found largely in the earth's crust. 

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transition metal, silvery-white, metallic luster, dense, annealed Re is ductile, fairly expensive

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additive to tungsten and molybdenum for superconductivity, used in scientific instruments, electrical materials, thermocouples, flash lamps in photography, hydrogenation catalysts

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0.128

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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  10  14   2    6   5         2