protons Definition
a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign..
Using protons: Examples
Take a moment to familiarize yourself with how "protons" can be used in various situations through the following examples!
Example
The number of protons in an atom determines what element it is.
Example
Protons are found in the nucleus of an atom.
Example
Protons have a positive charge.
Summary: protons in Brief
A 'proton' [ˈprəʊtɒnz] is a stable subatomic particle found in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign. The number of protons in an atom determines what element it is. Protons are found in the nucleus of an atom and have a positive charge.
