Polonium tetranitrate
Polonium tetranitrate is an inorganic compound, a salt of polonium and nitric acid with the chemical formula Po(NO). The compound is radioactive, forms white crystals. Synthesis. Dissolution of metallic polonium in concentrated nitric acid: Physical properties. Polonium(IV) nitrate forms white or colorless crystals. Dissolves in water with hydrolysis. Chemical properties. It disproportionates in aqueous weakly acidic nitric acid solutions: Polonium ion (2+) is oxidized with nitric acid to polonium (4+).