Protactinium
Naming and classification
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intelligence since 2016
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Naming and classification
Physical properties
Reactions
Thermodynamic properties
Crystal structure
Atom properties
Electrochemical properties
Biological properties
Occurrence, isolation & synthesis
Isotopes
Safety
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History
References
Other names/abbreviations:
Pa
Brevium
Protoactinium
Uranium X
2
UX
2
Element no:
91
Element group:
Actinides
Element type:
Inner transition metal
CAS-Number:
7440-13-3