Nd

Neodymium

Elementị 60 · 144.24 u

Lantịnụ̀ f-block Oge 6 Òtù na RT Wikipedia →

Neodymium na-eji mee ka ike dị ike nke magnetik dị n'ime.

Nkarachọ

Atomic mass144.24 u
Mgbatị7.007 g/cm³
Mmalite1297.0 K
Nhazi3347.0 K
NhaziSilvery-white na ọbara ọbara
Oge n'ime ụlọÒtù

Ihenhọrọ ndị ahụ

Elektrọn1.14 (Pauling)
Nhazi533.1 kJ/mol
Elektrọn184.9 kJ/mol
Oxygenation state+2, +3

Ihenhọrọ nke atom

Nhazi[Xe] 4f4 6s2
Atomic Radius181.0 pm
Covalent Radius201.0 pm
Van der Waals Radius229.0 pm

Ndesịta ozi ndị ahụ

E chọpụtara site naCarl Auer von Welsbach
Ụbọchị emeredịkachọrọ1885
EbeVienna, Austria
Aha mgbe ahụGreek 'neos didymos' pụtara ìhè na ọ bụ otu

Báà Neodymium

Neodymium bụ a soft, silvery metal na nke abụọ kasị abundant rare earth mgbe cerium. NdFeB magnets bụ kasị ike ụdị nke ike na-adịgide magnet commercially dị na mkpa maka modern technology.

Usoroiheomume

Ụdị magnetik dị ike (hard drives, headphones, electric motors, wind turbines), lasers, na glaasi ọfụụ.

Eziokwu dị ụtọ

Neodymium magnets bụ ike nke ukwuu na abụọ nke ukwuu ndị nwere ike crush fingers, na ha bụ mkpa maka EV motors na wind turbines.

Isotopes

Nkebi Afọ́ọ̀ltụ̀ Half-Life Òtù
142 0.27152% - Ee
143 0.12174% - Ee
144 0.23798% 2.29e15 years Ọ bụghị
146 0.17189% - Ee

Nhazi

[Xe] 4f4 6s2

Tụnyere

Banye na ndị ọzọ

Mepee tulọ ntụgharị
← Praseodym N'ihu táàbụ̀ Promethium →