Students use the terms isotope, atomic number, mass number, and atomic mass. Atomic Theory: Structure of the Atom: Students use the terms isotope, atomic number, mass number, and atomic mass to ...

Looking for ways to revise GCSE Chemistry? Try listening to these revision podcasts from Bitesize and BBC Sounds. BBC Sounds is where you can catch the latest music tracks, discover binge-worthy ...

The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

An imaging technique that freezes tiny biological objects such as proteins and viruses in place so that scientists can peer into their structures at the scale of atoms has won its developers the 2017 ...

Three researchers were awarded the 2025 Nobel Prize in Chemistry on October 8 for the development of a new type of molecular architecture that could one day enable innovations from carbon capture to ...