95 – Am – Americium

This is trinitite, a mineral from the area of the first atomic bomb test in New Mexico. The sand was melted by the heat and encloses traces of Americium, created from Plutonium by neutron capture. Amount: trinitite 0.2 g, Americium fraction unknown.

Physical and chemical data
Atomic mass	243.0614
Density	13.67 g·cm^-3
Melting point	1173 °C
Boiling point	2607 °C
Abundance	0 %
Electronegativy	1.2
Oxydation levels	6, 5, 4, [3]
Electron configuration	[Rn]5f7 7s2