Protactinium (Pa) Element
Metals Alloys Compounds Sputtering Target Back
| Basic Information | |
| Name: Protactinium Symbol: Pa Atomic Number: 91 Atomic Mass: 231.03587 amu Melting Point: 1600.0 ??C (1873.15 ??K, 2912.0 ??F) Boiling Point: Unknown |
Number
of Protons/Electrons: 91 Number of Neutrons: 140 Classification: Rare Earth Crystal Structure: Orthorhombic Density @ 293 K: 15.4 g/cm3 Color: Unknown |
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