#95 AmericiumAmericium is a synthetic chemical element with symbol Am and atomic number 95. It is a transuranic member of the actinide series, in the periodic table located under the lanthanide element europium, and thus by analogy was named after the Americas. Atomic mass:(243.0) amu Melting point:994.0 C (1267.15 K, 1821.2 F) Boiling point:2607.0 C (2880.15 K, 4724.6 F) Density:293 K:13.6 g/cm3 |