Periodic Table Of The Elements

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Atomic Number: 91
Symbol: Pa
Name: Protactinium
Group:
Period: 7
Weight: 231.03588(2)
Density: 15.37
Melting Point: 1873.15
Boiling Point: 4300
Specific Heat Capacity: -
Electronegativity: 1.5
Abundance: <0.001