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 ...

The periodic table’s arrangement also allows scientists to discern trends in element properties, including electronegativity, ionization energy, and atomic radius. Many scientists worked on the ...

Can France claim the first periodic table? Probably not, but a French Geology Professor made a significant advance towards it, even though at the time few people were aware of it. Alexandre Béguyer de ...

Different shells can hold different maximum numbers of electrons. Electrons occupy shells starting with the innermost one. They begin to occupy the next shell when a shell becomes full.

The ions formed have a full outer electron shell, so are very stable. See the study guide on groups in the periodic table for more information.

We regularly get queries about the minutiae of Nature Physics format, but what we really care about is that the papers are clear and accessibly written. So many papers deserve to be better written ...

Niba of SciShow explained how many Periodic Table elements actually exist in the human body and how these elements work to ...

When I get together with my girlfriends we talk about all kinds of things. When I started my period that's who I wanted to talk about it. They could answer a lot of questions that I had ...

Nitrogen on periodic table of the elements. Do you remember how many elements there are in the periodic table? Spoiler: it’s ...

Images, and the devices that capture them, are my focus. I've covered cameras at PCMag for the past 13 years, which has given me a front row seat for the DSLR to mirrorless transition, the ...