Nd

I-Neodymium

Ingxenye 60 · 144.24 u

I-Lanthanum f-block Isikhathi 6 Iqinile ku-RT I-Wikipedia →

I-neodymium isetshenziswa ukwenza ama-magnets aqinile ahlala njalo atholakalayo.

Izici Zobuchopho

I-Atom Mass144.24 u
Ubukhulu7.007 g/cm³
Izinga lokuncibilika1297.0 K
Izinga lokubopha3347.0 K
UkubonakalaIsibhakabhaka-simhlophe nesibhakabhaka-simnyama
Isimo ku-Room TempIqinile

Izici ze-chemical

Electronegativity1.14 (I-Pauling)
I-Ionization Energy533.1 kJ/mol
I-electron affinity184.9 kJ/mol
I-Oxidation States+2, +3

Izici ze-Atom

I-electron[Xe] 4f4 6s2
I-Atom Radius181.0 pm
I-Covalent Radius201.0 pm
I-Van der Waals Radius229.0 pm

Ukuqapha

Itholakele nguCarl Auer von Welsbach
Unyaka wokuqamba1885
Indawoi-Vienna, i-Austria
Ibizwa ngeisi-Greek 'neos didymos' isho ukuthi i-twin entsha

Malunga I-Neodymium

Neodymium isofthiwe, silvery metal kanye yesibili eningi kakhulu emhlabeni evamile ngemuva cerium. NdFeB amakhemikhali uhlobo strongest we magnet ohlala njalo ezitholakalayo kwezomnotho futhi ebalulekile kwi-technology yamanje.

Izisebenziso

Ama-magnets anamandla ahlala njalo (ama-hard drives, ama-headphones, ama-motors e-electric, ama-turbines e-wind), ama-laser, kanye nombala weglasi.

Iqiniso elijabulisayo

Ama-neodymium magnets anamandla kakhulu ukuthi ababili abakhulu bangacindezela izinyawo, futhi zibalulekile kuma-EV motors nama-turbines omoya.

Isibonisi

Inani le-mass Ubukhulu Isikhathi esingu-half-life Iqinile
142 0.27152% - Yebo
143 0.12174% - Yebo
144 0.23798% 2.29e15 years Akukho
146 0.17189% - Yebo

I-electron

[Xe] 4f4 6s2

Qhathanisa

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