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The United Nations have proclaimed 2019 to be the International Year of the Periodic Table of Chemical Elements (IYPT 2019) to mark the 150th anniversary of the classification system that decorates ...

Recognize these rows and columns? You may remember a detail or two about this mighty table’s organization from a long-ago chemistry class. Elements are ordered according to their number of protons, or ...

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 ...

Artistic depictions of several chemical elements feature in a new exhibition from today as part of Australia’s celebrations for the International Year of the Periodic Table. They are the work of ...

Scientists report they have created the especially shifty superheavy element 117, a milestone for nuclear chemistry that now completes the seventh row of the periodic table. The discovery, which will ...

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 ...