The periodic table of the chemical elements is a tabular method of displaying the chemical elements, first devised in 1869 by the Russian chemist Dimitri Mendeleev. Mendeleev intended the table to ...

The periodic table may excite some terrifying others. But this unique take on the table from a Seattle-based designer looks like fun for everyone, its fun design and interactive features showing ...

Astronomers have created a useful tool to categorize the thousands of distant exoplanets we've discovered so far.

Each element is assigned a mystery letter (for example, hydrogen might be “Q”). Students have to use periodic table trends and element properties to determine which letter represents each element.

Electronegativity: Read the article to find out what electronegativity is, how it is measured and what are the periodic trends in the electronegativities of elements.

The periodic table of elements, devised by Russian chemist Dmitri Mendeleev, is a two-dimensional array of the chemical elements, ordered by atomic number and arranged 18 across by orbitals.

The periodic table is part of the bedrock of chemistry education. Students use it to look up values like an element’s atomic mass, and it serves as a visual reference for the trends in physical ...

This video explains the periodic table, containing all the known elements arranged in groups and periods. Elements in the same group of the periodic table show trends in physical properties, such ...

A 17-year-old Indian school girl came up with an imaginative way to remember all the elements on the periodic table for her science class. The aspiring artist decided to recreate the periodic ...

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 ...