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 ...

More than 75 years after its initial discovery, scientists have created an organometallic molecule containing the ...

But how many of these elements do you know? Test your knowledge and compete with other Live Science readers to see who can ...

This year we celebrate the 150 th anniversary of Mendeleev’s achievement in formulating the structure of the periodic table that we use today. He announced his structure in 1869, but the challenge of ...

But one thing people have notoriously debated is what the limit of the periodic table is. Unfortunately, there’s no clear consensus on how many elements could be discovered, as every scientist ...

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 ...