Americium
Americium is a chemical element with symbol Am and atomic number Am in period 7. It appears as a silvery white. It is a Solid
Chemical properties
[edit]Americium has an atomic mass of 243, a boiling point of 2880, a density of 12, a melting point of 1449, a molar heat of 62.7, an electron configuration of 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f7 6s2 6p6 7s2, and an electron affinity of 9.93.