Americium, Am


Americium, Am

Categories: MetalNonferrous MetalPure Element

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Physical PropertiesMetricEnglishComments
Density 13.61 g/cc0.4917 lb/in³
 
Chemical PropertiesMetricEnglishComments
Atomic Mass 234234Longest-Lived Isotope (1995)
Atomic Number 9595
X-ray Absorption Edge 0.09972 Å0.09972 ÅK
 0.52084 Å0.52084 ÅLI
 0.54036 Å0.54036 ÅLII
 0.66933 Å0.66933 ÅLIII
Electronegativity 1.31.3Pauling
Ionic Radius 0.920 Å0.920 ÅCrystal Ionic Radius for Valence +4
 1.07 Å1.07 ÅCrystal Ionic Radius for Valence +3
 
Mechanical PropertiesMetricEnglishComments
Bulk Modulus 45.0 GPa6530 ksi
 
Thermal PropertiesMetricEnglishComments
CTE, linear  6.20 µm/m-°C
@Temperature 20.0 °C
3.44 µin/in-°F
@Temperature 68.0 °F
c-axis
 7.50 µm/m-°C
@Temperature 20.0 °C
4.17 µin/in-°F
@Temperature 68.0 °F
a-axis
Melting Point 1173 °C2143 °F
Boiling Point 2011 °C3652 °F
 
Component Elements PropertiesMetricEnglishComments
Americium, Am 100 %100 %
 
Descriptive Properties
CAS Number7440-35-9

References for this datasheet.

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