Gd

I-Gadolonium

Ingxenye 64 · 157.25 u

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

I-gadolinium inezici ze-magnetic ezingavamile futhi isetshenziswa kabanzi njenge-MRI contrast agent.

Izici Zobuchopho

I-Atom Mass157.25 u
Ubukhulu7.895 g/cm³
Izinga lokuncibilika1585.0 K
Izinga lokubopha3546.0 K
UkubonakalaIsibhakabhaka-simhlophe esimnyama
Isimo ku-Room TempIqinile

Izici ze-chemical

Electronegativity1.2 (I-Pauling)
I-Ionization Energy593.4 kJ/mol
I-electron affinity13.22 kJ/mol
I-Oxidation States+1, +2, +3

Izici ze-Atom

I-electron[Xe] 4f7 5d1 6s2
I-Atom Radius180.0 pm
I-Covalent Radius196.0 pm
I-Van der Waals Radius237.0 pm

Ukuqapha

Itholakele nguJean Charles Galissard de Marignac
Unyaka wokuqamba1880
Indawoi-Geneva, i-Switzerland
Ibizwa ngeIbizwa nge Johan Gadolin, umcwaningi waseFinland

Malunga I-Gadolonium

I-Gadolinium iyinsimbi emhlophe emhlophe, eqinile ne-thermal neutron capture ephezulu yenoma iyiphi into eyaziwayo. I-ferromagnetic ezungeze izinga lokushisa legumbi futhi isetshenziswa kuma-MRI contrast agents.

Izisebenziso

I-MRI isebenzisa ama-contrast agents, i-neutron radiograph, i-nuclear reactor shielding, kanye ne-magnetorefrigerant alloys.

Iqiniso elijabulisayo

I-gadolinium ine-neutron ephakeme kakhulu yokukhishwa kwe-cross-section yanoma iyiphi into eqinile, eyenza ibe namandla amakhulu ekulawulwa kwe-nuclear reactor.

Isibonisi

Inani le-mass Ubukhulu Isikhathi esingu-half-life Iqinile
155 0.148% - Yebo
156 0.2047% - Yebo
157 0.1565% - Yebo
158 0.2484% - Yebo

I-electron

[Xe] 4f7 5d1 6s2

Qhathanisa

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