Virtual-PeriodicTable is an open-source project designed to provide a customizable and interactive periodic table. Unlike many existing solutions, this project emphasizes simplicity and accessibility, ...

It was supposed to be a physics fairy tale. Having a “magic” number of protons or neutrons means there are enough to fully occupy the nuclear valence shells (outermost orbits around the ...

I have made some experiments using the valve counter to examine the properties of this radiation excited in beryllium. The valve counter consists of a small ionisation chamber connected to an ...

Any atom of element 119 or 120 will likely last only a few milliseconds before emitting bundles of protons and neutrons and decaying to lighter elements. Such a fragile and fleeting entity is unlikely ...

Please Note: All times UK. Tables are subject to change. The BBC is not responsible for any changes that may be made. Copyright © 2025 BBC. The BBC is not ...

Oak Ridge National Laboratory discovered a rare radioactive element called promethium. Nearly 80 years later, scientists have ...

This is the second part of a three-part series written by Carolyn Krause. Many of the elements were synthesized using an Oak ...