Nd

Neodymium

Zosankha 60 · 144.24 u

Lanthanide f-block Mphindi 6 M'gululi pa RT Wikipedia →

Neodymium amagwiritsa ntchito kuti apange olimba kwambiri okhazikika opanda zingwe opezeka.

Zochita za Fiziki

Mafuta144.24 u
Kuwala7.007 g/cm³
Kutentha1297.0 K
Kutentha3347.0 K
KuonekaSilvery- wofiira ndi yellowish tinge
State at Room TempM'gululi

Makhalidwe a Chemical

Electronegativity1.14 (Pauling)
1st Ionization Energy533.1 kJ/mol
Electron Affinity184.9 kJ/mol
Oxygen+2, +3

Zosankha

Kusintha kwa ma electron[Xe] 4f4 6s2
Atomic radius181.0 pm
Covalent Radius201.0 pm
Kuwala kwa Van der Waals229.0 pm

Kupeza

Kupezeka ndiCarl Auer von Welsbach
Kuzindikira chaka1885
MaloVienna, Austria
Analimbikitsidwa ndiChigiriki 'neos didymos' chomwe chimatanthauza wobadwansonso

Za ine Neodymium

Neodymium ndi wolimba, silvery metal ndi wachiwiri kwambiri ochuluka kwambiri dziko pambuyo cerium. NdFeB maginito ndi olimba kwambiri mtundu wa mkuwa wokhazikika m'masitolo opezeka ndi zofunika kwa sayansi yamakono.

Kugwiritsa ntchito & Maphunziro

Mafuta olimba amphamvu (hard drives, mahedifoni, magalimoto amagetsi, ma turbines amphamvu), ma lasers, ndi kujambula kwa khungu.

Fun Facts

Neodymium maginito ndi mofulumira kuti awiri akulu angachititse manja, ndipo ndi zofunika kwa EV injini ndi turbines mpweya.

Isotopes

Kukula kwa maselo Kuchuluka Half-Life Wolimba
142 0.27152% - Yes
143 0.12174% - Yes
144 0.23798% 2.29e15 years Si
146 0.17189% - Yes

Kusintha kwa ma electron

[Xe] 4f4 6s2

Kuyerekezera

Kuyerekezera ndi zina zinthu

Kutsegula Zomwe Zimafananiza
← Praseodymium Kubwerera ku tabula Promethium →