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 ...

When it comes to science, chemistry is elemental. That pun is based on the fact that the main building blocks in the branch ...

The chemical properties of two of the heaviest synthetic elements, moscovium and nihonium, have been established for the ...