Which properties can scientists measure after obtaining weighable amounts of a transuranium metal?
When scientists obtain weighable amounts of a transuranium metal, they can perform extensive characterization experiments to determine a variety of physical and chemical properties.
Physical Characterization
Researchers can measure the following physical properties of the metal samples:
* Density
* Melting point
* Vapour pressure
* Boiling point
* Hardness
Additionally, using X-ray diffraction, scientists can determine the crystal structure of the metal, which allows for the calculation of its metallic radius and metallic valence.1
Chemical Characterization
Chemical studies focus on the reactivity of the metal with other substances and the stability of the resulting compounds. Key areas of investigation include:
* Oxidation states
* Chemical bonding properties within compounds
* General chemical stability1
These experiments are typically made possible by preparing the metal through high-temperature reduction of its fluoride or, for larger gram-scale quantities of high purity, through the electrolytic reduction of its chloride.1