The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

The First Element in the Rare Strategic Metals Group Understanding Lanthanum’s Unique Properties and Industrial Uses Among the rare earth elements, lant ...

The First Element in the Rare Earth Group Properties, Industrial Uses, and Economic Significance Among the rare earth elements, lanthanum holds a distinctive position as the first element in the ...