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- -- card: 31764 from stack: in
- -- bmap block id: 0
- -- flags: 0000
- -- background id: 14320
- -- name: Er
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- -- part contents for background part 14
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- Er
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- Erbium
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- 68
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- 167.26
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- 9.066
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- 1529
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- 2868
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- +3
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- (Ytterby, town in Sweden) Discovered by Mosander in 1842. Found in gadolinite.
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- rare earth metal, soft, silvery luster, malleable, fairly stable in air, 15 isotopes, colorful salts
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- nuclear, metallurgical, improves hardness and workability when alloying, colorant in glasses and enamel glazes
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- 0.158
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- Electron Configuration:
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- 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 12 2 6 2
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