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Curium is an actinide element that is a member of the actinoid series in the periodic table. It is also an actinide that is radioactive. The atomic number of curium is 96.
Curium is a dense metal. It is a hard metal with a high melting point. It is used in thermionic converters and in spacecraft. However, it is not found naturally in the earth’s crust. Hence, it is a synthetic element.
The atom of curium has 96 protons and 96 electrons. It is a hard and silvery metal. There are 19 radioisotopes of curium. Each isotope has a different atomic mass. Most of the radioisotopes of curium are unstable. They have a short half-life.
One of the most stable isotopes of curium is 247Cm. It has a half-life of 16 million years. This is a very short half-life compared to the age of the earth. But, it is a very useful element for research purposes.
Another isotope of curium is 244Cm. It is used in thermoelectric converters and in spacecraft. However, the half-life is short and it emits large amounts of heat. Moreover, it undergoes spontaneous fission. Consequently, it causes technical problems.
The chemistry of curium(IV) in non-aqueous systems is very poorly understood. Yet, it has been studied in various lab experiments.
In addition, the ionic properties of curium are determined by the electron configuration. Moreover, the charge on the curium ion changes depending on the bond formation.
In contrast, the oxidation state of curium is highly stable. Therefore, curium has the highest fluorescence efficiency of all f-elements.
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