The composition of high-entropy compounds includes four or more different elements—in this case, metals and carbon. In the paper, scientists used a new technology and synthesized carbide from titanium ...
They react with steam to form oxides and ignite spontaneously at a temperature of 400 °C (752 °F). These elements and their compounds have no biological function other than in several specialized ...
Any of the fifteen lanthanides plus scandium and yttrium From Wikipedia, the free encyclopedia A table listing the 17 rare-earth elements, their atomic number and symbol, the etymology of their names, ...