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 ...

For the last fifty or so years, the periodic table has been incomplete. Elements after uranium on the periodic table have been synthesized for the past few decades, but there were always a few ...

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 ...

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

Watch this video to find out more information on the periodic table close periodic tableA table which lists all of the chemical elements and arranges them in a way that is useful. It allows us to ...

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 ...

Electronegativity, an essential characteristic of all elements in the periodic table, measures an atom's ability to attract electrons towards ... with a large difference indicating a polar covalent ...

Today, 13.8 billion years after the Big Bang, stars have converted about 2 per cent of the universe’s hydrogen and helium into other elements ... guide to the periodic table “There ...

Group 7 of the periodic table is something of an oddity. When the first periodic table was formulated by Mendeleev, it was the only group that contained just a single known element — manganese ...