Astronomy View all facts Glossary Help| Astronomy View all facts Glossary Help |
| physical object > natural object > particle > charged particle > nucleus > isotone |
  | ||
| isotone comparison table | ||
| Subject | has definition | is a kind of |
|---|---|---|
| nucleus | The massive, positively charged central part of an atom, composed mainly of protons and neutrons, around which the electrons revolve. The radius of an atomic nucleus is directly proportional to the cube root of its mass. Density at least 1014 g cm-3. Radius 10-12-10-13 cm. | charged particle |
| isotone | Nucleus with the same number of neutrons but with different A and Z numbers. | nucleus |