Am

Americium

Izinto 95 · 243.06138 u

Actinide f- iblock Ixesha 7 I-Solid kwi-RT I-Radioactive t½ 7,370 years I-Synthesizer I-Wikipedia →

I-Americium ifumaneka kwi-ionization yomlilo ebonisa umphunga ekhoyo kwikhaya ngalinye.

Iimpawu Zobuchopho

Ii-atom243.06138 u
Uxinano13.69 g/cm³
Incopho yokubila:1449.0 K
Incopho yokubila:2880.0 K
UkubonakalaI-silvery-white metallic
I-State at Room TempI-Solid

Iimpawu zekhemikhali

Electronegativity1.3 (I-Polygon)
I-Ionization Energy578.0 kJ/mol
Electronegativity:9.93 kJ/mol
Iindawo zokuthambisa+2, +3, +4, +5, +6, +7

Iimpahla zephetshana elichazayo:

Uqwalaselo lwe Electron[Rn] 5f7 7s2
Atomic radius:173.0 pm
I-Van der Waals Radius244.0 pm

Ukufumana kwakhona

Ifunyenwe NguGlenn T. Seaborg, Ralph A. James, Leon O. Morgan, Albert Ghiorso
Unyaka Wophando1944
IndawoChicago, Illinois, USA
Igama ElilandelayoIbizwa ngokuba yi-Americas

I-About Americium

I-Americium yinxalenye eqhelekileyo efunyenwe ngokuzimeleyo, ekhoyo kwi-ionization smoke detectors. I-Seaborg yazisa ukufunyanwa kwayo kwi-radio show yezingane.

Iinkqubo

Izixhobo zokufuma komhlaba (Am-241), amacebo e-neutrone, kunye namacebo e-power probes.

Inyathelo 1:

I-Americium ikwindawo eninzi yasekhaya kwizixhobo zokufuma. I-Seaborg yazisa ngokudumileyo ukufunyanwa kwayo kwinkqubo yovavanyo lwee-radio zabantwana.

I-Isotopes

Inani le-Mass Uninzi Ixesha eliphakathi Iqinile
241 - 432.2 years Akukho nanye
243 - 7,370 years Akukho nanye

Uqwalaselo lwe Electron

[Rn] 5f7 7s2

Uthelekiso

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