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Explore Element
Element: Actinium
Symbol:
Ac
CPK Color:
Atomic Number:
89
Atomic Mass:
227.02775
Electron Configuration:
[Rn]7s2 6d1
Electron Configuration (Drawing):
[Rn]
Atomic Radius:
260
Ionization Energy:
5.17
Electron Affinity:
Oxidation States:
3
Standard State:
Solid
Melting Point:
1324 c
Boiling Point:
3471 c
Density:
10.07
Group Block:
Actinide
Year Discovered:
1899
Minerals Containing Actinium
Mineral Name
IMA Chemistry
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