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 ...

Developing the periodic table The periodic table was developed by grouping elements with similar properties. This, together with a later arrangement by atomic weight, led to a repeating pattern of ...

They all have a link to the periodic table, which turned 150 in 2019 ... Antimony has probably the most chequered past of all the elements on this list. Its first known use was quite glamorous ...