-- card: 23400 from stack: in
-- bmap block id: 0
-- flags: 0000
-- background id: 14320
-- name: Nd


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Nd

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Neodymium

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60

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144.24

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7.008

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1021

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3074

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+3

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(Gr. neos, new, and didymos, twin) Discovered by Welsbach in 1885, along with praseodymium, but not isolated until 1925. Found in misch metal, used for lighter flints. 

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rare earth metal, silvery, metallic luster, reactive, quickly tarnishes in air, stored in mineral oil, two allotropic forms, moderate toxicity

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used for coloring glass, alone it colors glass violet, gray and wine shades, used in astronomy to calibrate spectral lines, lasers (to produce coherent light)

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0.164

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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   4   2    6               2