You searched for: “protonic
proton, protonic
1. A stable elementary particle of the baryon family that is a component of all atomic nuclei and carries a positive charge equal to that of the electron's negative charge.
2. The number of protons in the nucleus of an atom equals the atomic number of the element.
3. An elementary particle having a single positive electrical charge and constituting the nucleus of the ordinary hydrogen atom.

The positive charge of the nucleus of any atom is due to its protons. Every atomic nucleus contains one or more protons; the number of protons, called the atomic number, is different for every element.

This entry is located in the following unit: proto-, prot- + (page 4)