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Explore Element
Element: Protactinium
Symbol:
Pa
CPK Color:
Atomic Number:
91
Atomic Mass:
231.03588
Electron Configuration:
[Rn]7s2 5f2 6d1
Electron Configuration (Drawing):
[Rn]
Atomic Radius:
243
Ionization Energy:
5.89
Electron Affinity:
Oxidation States:
Standard State:
Solid
Melting Point:
1845 c
Boiling Point:
c
Density:
15.37
Group Block:
Actinide
Year Discovered:
1913
Minerals Containing Protactinium
Mineral Name
IMA Chemistry
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