Probing the Nucleus: How We Peek Inside the Atom’s Heart
Definition of the Atomic Nucleus The atomic nucleus is the dense, central region of an atom, composed primarily of protons and neutrons, collectively called nucleons. Despite occupying a minuscule fraction of the atom’s volume-approximately 1/100,000th-the nucleus contains nearly all of the atom’s mass. This compact core is held together by the strong nuclear force, a […]