You probably learned in high school chemistry class that core electrons don't participate in chemical bonding.

Research suggests some metals’ semicore electrons may be more active on Earth’s surface than previously thought.

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

There was an error while loading. Please reload this page. System design is often taught through solutions specific to particular domains, such as databases ...

The bold question-askers at What If explore what building a full-scale model of the periodic table would reveal.

The discovery could significantly reduce the production costs of fuels, chemicals, and materials. A research team from the ...

Cryo-electron microscopy and tomography are transforming structural biology, offering unprecedented insights into ...

A team of researchers from the University of Minnesota Twin Cities College of Science and Engineering and the University of ...

A team of researchers from the University of Minnesota Twin Cities College of Science and Engineering and the University of Houston’s Cullen College of Engineering has discovered and measured the ...

Everything we can see and touch, and quite a lot that we can’t as well, is made of tiny particles called atoms. Some substances, like particles of this iron, contain only one kind of atom. Iron is an ...

Atoms are the building blocks of everything. Atoms can form strong bonds with each other, making molecules. Symbols and formulae Letters from the alphabet are used to represent chemical elements. An ...