Uranyl hydroxide
Uranyl hydroxide is a hydroxide of uranium with the chemical formula UO(OH) in the monomeric form and (UO)(OH) in the dimeric; both forms may exist in normal aqueous media. Uranyl hydroxide hydrate is precipitated as a colloidal yellowcake from oxidized uranium liquors near neutral pH.
Mercury(II) hydroxide
Mercury(II) hydroxide or mercury dihydroxide is an inorganic metal hydroxide with the chemical formula HgHO or more commonly written as Hg(OH).