A few years ago, a group of physicists created an unusual, never-before-seen subatomic particle. Using a particle accelerator at Riken, a Japanese research institute, they slammed streams of calcium ...

Nuclear physicists have made the most neutron-rich form of sodium yet, which will help reveal more about the complex world of nuclei. Image by KTSDESIGN/SCIENCE PHOTO LIBRARY In extremely neutron-rich ...

For example, the atomic number of sodium is 11. Every sodium atom has 11 protons and 11 electrons. It has 11 positive charges and 11 negative charges. Atoms of different elements usually have ...

Atoms are the fundamental components of matter, made up of three subatomic particles: protons, neutrons, and electrons. The structure of atoms determines the properties and behavior of different ...

A joint X-ray/neutron diffraction study has enabled the direct observation of a hydronium ion coordinated by three amino-acid residues of an enzyme. This sighting will affect our views on how enzymes ...