Americium

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Americium

Americium es un elemento chimic de symbolo Am e numero atomic 95.

Nota
Nota
Factos in breve Iso., AN ...
PlutoniumAmericiumCurium
Apparentia
Thumb
argentee blanc
Proprietates atomic
Nomine, symbolo, numero Americium, Am, 95
Serie chimic actinido
Gruppo, periodo, bloco 3, 7, f
Configuration electronic [Ra] 7s2 5f7
Electronegativitate 1,3
Proprietates physic
Stato solido
Massa molar (243) g·mol-1
Densitate 12 g·cm-3
Puncto de fusion 1449 K, 1176 °C, 2149 °F
Puncto de ebullition 2880 K, 2607 °C, 4725 °F
Calor de fusion 14,39 kJ·mol−1
Calor specific 62,7 J·mol-1·K-1
Resistivitate electric 690 nΩ·m
Conductivitate thermal 10 W·m-1·K-1
Isotopos
Iso.ANSemivitaMDED (MeV)PD
243Am syn. 7370 a FS
α 5,275 239Np
Valores in unitates SI e in le conditiones normal del material (25 °C, 100 kPa) si non indica al contrario.
Clauder

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