One of the earliest topics encountered by students of chemistry is atomic theory (the structure of the atom). The Building Atoms, Ions and Isotopes HD Lite app is a free app by Carolina Biological ...

Atoms are very small. They have a radius of around 1 × 10 10 metres. This symbol shows that chlorine has 35 particles in the nucleus (protons and neutrons), 17 of which are protons. It also tells us ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Sean Liddick, Associate Professor of Chemistry, ...

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 ...

Try these interactive flashcards based on GCSE physics past papers. By working your way through the flashcards created by experts, you can prepare for your physics exams and make your revision more ...

Artemis Spyrou receives funding from the US National Science Foundation. Sean Liddick receives funding from the Department of Energy, Office of Science and the Department of Energy, National Nuclear ...

It's the world's lightest isotope of magnesium. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Scientists have just created the world's lightest ...

The discovery of radioactivity allowed scientists to develop new methods of determining Earth's age, with astonishing results. Our planet is far older than people had thought! Students can understand ...

Sean Liddick receives funding from the Department of Energy . Artemis Spyrou receives funding from the National Science Foundation in the U.S. Just a few hundred feet from where we are sitting is a ...