Americium


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

PlutoniumAmericiumCurium
Apparentia
argentee blanc
Proprietates atomic
Nomine, symbolo, numeroAmericium, Am, 95
Serie chimicactinido
Gruppo, periodo, bloco3, 7, f
Configuration electronic[Ra] 7s2 5f7
Electronegativitate1,3
Proprietates physic
Statosolido
Massa molar(243) g·mol-1
Densitate12 g·cm-3
Puncto de fusion1449 K, 1176 °C, 2149 °F
Puncto de ebullition2880 K, 2607 °C, 4725 °F
Calor de fusion14,39 kJ·mol−1
Calor specific62,7 J·mol-1·K-1
Resistivitate electric690 nΩ·m
Conductivitate thermal10 W·m-1·K-1
Isotopos
Iso.ANSemivitaMDED (MeV)PD
243Amsyn.7370 aFS
α5,275239Np
Valores in unitates SI e in le conditiones normal del material (25 °C, 100 kPa) si non indica al contrario.
Nota
Nota