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 periodic table brings order to information about the chemical elements. It helps chemists to understand why elements react as they do. There are more than 100 elements which are arranged in ...

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