Praseodymium

Àwọn Àmì-ìwé 59 · 140.91 u

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Praseodymium nfun gilasi ati enamel awọ alawọ ewe-alawọ ewe ti o yatọ.

Tí a Fi Paṣẹ̀	Carl Auer von Welsbach
Àwọn àwọn	1885
Ààyè	Vienna, Austria
Àwọn àwọn	Greek 'prasios didymos' meaning green twin

Praseodymium ni a soft, silvery, malleable irin ti a ti pin lati neodymium ni 1885 nipasẹ Welsbach lati ohun ti a ti ro pe o jẹ 'didymium.'

Magnets (ni neodymium), ọkọ ayọkẹlẹ engines, welder's goggles, ati ceramics colorant.

Praseodymium ti wa ni ti pamọ fun awọn ọdun diẹ ninu 'didymium' titi ti o ti ni ipari ti wa ni ti pin lati neodymium ni 1885.

Àwọn Ìṣàmúlò-ètò	Ìgbà Ìṣàmúlò-ètò	Ìgbà Ìparí Ìṣẹ́	Ìdáràn
141	1.0%	-	Yà

[Xe] 4f3 6s2

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