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 ...

Unlike other elements reportedly gathered by Lidden, the plutonium sparked a major hazmat alert, requiring a response from ...

Heavy ligands such as polyoxometalates are opening a new frontier in actinide chemistry. Studying materials that are both ...

During the process, they discovered something unexpected about this particular f-block element on the periodic table that could help us understand transuranium elements more broadly as well as ...

For example, oxygen is O.Others aren’t as straightforward. For example, the element symbol for iron is Fe, from the latin word ferrum for iron. On the periodic table, metals are found on the ...

You may use table navigation commands for the screen reader of your choice. The Periodic Table of Elements. Each entry contains the atomic number, chemical symbol, and atomic mass to two decimal ...

All of them were originally “missing” from a nearly completed row in the periodic table – the organized array of all the chemical elements in order of increasing atomic number. That’s the ...

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 itself within a chemical bond. This vital theoretical ...