Inside the Proton, the ‘Most Complicated Thing You Could Possibly Imagine’ (quantamagazine.org) The positively charged particle at the heart of the atom is an object of unspeakable complexity, one that changes its appearance depending on how it is probed. We’ve attempted to connect the proton’s many faces to form the most complete picture yet.
A cation is a positively charged ion with fewer electrons than protons while an anion is a negatively charged ion with more electrons than protons.