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 ...

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

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

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 ...

and sometimes had to cram two elements into one box in order to keep the pattern. Because of this, the Chemical Society refused to publish his paper, with one Professor Foster saying he might have ...

This year marks the 150th anniversary of the publication of Mendeleev’s Periodic Table of Chemical Elements in 1869. In celebration, the United Nations Educational, Scientific, and Cultural ...