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Curium hydroxide m(OH)3is a
Curium hydroxide m(OH)3is a radioactive
Radioactive decay (also known as nuclear decay, radioactivity, radioactive disintegration, or nuclear disintegration) is the process by which an unstable atomic nucleus loses energy by radiation. A material containing unstable nuclei is consid ...
compound first discovered in measurable quantities in 1947. It is composed of a single curium
Curium is a transuranic, radioactive chemical element with the symbol Cm and atomic number 96. This actinide element was named after eminent scientists Marie and Pierre Curie, both known for their research on radioactivity. Curium was first inte ...
atom, and three hydroxide
Hydroxide is a diatomic anion with chemical formula OH−. It consists of an oxygen and hydrogen atom held together by a single covalent bond, and carries a negative electric charge. It is an important but usually minor constituent of water. I ...
groups. It was the first curium compound ever isolated.
Curium hydroxide is anhydrous colorless or light yellow amorphous gelatinous solid that is insoluble to water. Due to self-irradiation the crystal structure of 244Cm(OH)3 decomposes within one day, while for americium(III) hydroxide
Americium(III) hydroxide is a radioactive inorganic compound with the chemical formula Am( O H)3. It consists of one americium atom and three hydroxide groups. It was first discovered in 1944, closely related to the Manhattan Project. However, ...
241Am(OH)3 the same process takes 4-6 months.
See also
*Curium(III) oxide
Curium(III) oxide is a Chemical compound, compound composed of curium and oxygen with the chemical formula . It is a crystalline solid with a unit cell that contains two curium atoms and three oxygen atoms. The simplest synthesis equation involves ...
References
Curium compounds Hydroxides Substances discovered in the 1940s {{Inorganic-compound-stub