Compare Element Properties

← Back to Periodic Table
PropertyPa Protactinium
? N/A
Atomic number91N/A
SymbolPaN/A
NameProtactiniumN/A
CategoryactinideN/A
Standard Atomic Weight231.03588 uN/A
Period7N/A
GroupN/AN/A
BlocksN/A
Phase at STPsolidN/A
Electron configuration[Rn]7s25f26d1N/A
Oxidation states[2, 3, 4, 5]N/A
Electronegativity (Pauling)1.5N/A
Electron affinity0.123 eVN/A
Density1.537000e+4 kg/m³N/A
Melting point1571.85 °CN/A
Boiling point-273.15 °CN/A
Discovery year1913N/A