Skip to main content

Illustration Nucleus and the Number of Protons and Neutrons

Nucleus and the Number of Protons and Neutrons
Get illustration

Share — copy and redistribute the material in any medium or format

Adapt — remix, transform, and build upon the material for any purpose, even commercially.

Sharing and adapting of the illustration is allowed with indication of the link to the illustration.

A nucleus consists of protons and neutrons. Here the mass number \(A\) is illustrated. The mass number is the sum of the number of protons \(Z\) (atomic number) and neutrons \(N\): \(A ~=~ Z ~+~ N \).