Periodic table of elements

89 - Actinium [Ac]

89: Actinium - Actinium [Ac]
Group: 3
Period: 7
Atomic number: 89
Atomic mass: 227
Configuration: [Rn] 6d17s2
Covalent radius: 215 pm
Ionization energy: 5.3807 eV
Electronic term: 2D3/2
Electronegativity: 1.1

MENU: