Beyond the fact that the radio-elements were in present course of evolution, it added little to the conceptions of chemistry. But in the second and more recent phase—concerned with the chemical ...

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 ...

That pun is based on the fact that the main building blocks in the branch of science are chemical elements, pure substances ...

Iranian cargo ships allegedly carrying chemicals to make missile propellent are setting sail from China to deliver the ...

But sometimes the symbol comes from a name for the element that is not an English word. For example, Lead is a chemical element with the symbol Pb (from the Latin for lead, plumbum).W stands for ...