Actinium

Chemical reactions

Reaction of actinum with air


Actinium metal rapidly oxidizes to actinium (III) oxide, Ac2O3 in moist air [4].

4 Ac(s) + 3 O2(g) 2 Ac2O3(s)


Reaction of actinum with carbonate


Ac3+ is precipitated by carbonate ions [4].

2 Ac3+(aq) + 3 CO32−(aq) Ac2(CO3)3(s)


Reaction of actinum with oxalate


Ac3+ is precipitated by oxalate ions [4].

2 Ac3+(aq) + 3 C2O42−(aq) Ac2(C2O4)3(s)


Reaction of actinum with phosphate


Ac3+ is precipitated by phosphate ions [4].

Ac3+(aq) + PO43−(aq) AcPO4(s)