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 ...

One hundred fifty years after Russian chemist Dmitri Mendeleev published his system for neatly arranging the elements, the periodic table it gave birth to hangs in every chemistry classroom in the ...

Every year, National Periodic Table Day is celebrated on February 7 since 2016 as a way to pay tribute to the chart. The periodic table is a tabular composition of chemical elements in accordance with ...

The element 112 has been officially recognized as a new element by the International Union of Pure and Applied Chemistry (IUPAC). IUPAC confirmed the recognition of element 112 in an official letter ...

It has to be something big to convince the UN to commemorate it in an International Year. We get a glimpse of what convinced them from the press release in December 2017: “The development of the ...

Discover the history, structure, and importance of the periodic table of elements, from Mendeleev’s discovery to modern scientific applications. When you purchase through links on our site, we may ...

Eric Scerri, a UCLA chemistry lecturer, has written at least six books discussing the orientation of the periodic table. His office is cluttered with posters and three-dimensional models of different ...

Cations are ions that are positively charged. Anions are ions that are negatively charged. Ions are charged atoms or molecules. If a balanced atom loses one or more electrons, it will become a ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The periodic table of elements is a familiar sight to anyone who's ever sat in a chemistry ...

Inspired by the periodic table, this infographic aims to educate college students about the drinks they’re imbibing. Back in 1869, the great Russian chemist Dmitri Mendeleev noticed periodic trends in ...

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 ...

All matter–oceans, land, atmosphere, humans, animals, plants, food, materials, products, buildings–is made from 118 known chemical elements. These elements are ordered in the periodic table of ...