Very small...very small indeed.
the electron
An electron.
In the atom this particle is the electron.
This particle is the electron.
Proton is a positive particle and electron is a negative particle.
An electron is a negative particle.
The size of atoms has most to do with its electrons. The electron is a subatomic particle with a negative elementary electric charge.
Electron is an elemenatry and fundamental nuclear particle; electron has not any components.
There is one electron in a beta- particle, because a beta- particle is an electron and an electron antineutrino. A beta+ particle is a positron and an electron neutrino. A link can be found below to a related question that will help a bit in sorting out the puzzles surrounding beta particles.
A beta particle is either an electron or an anti-electron (aka positron).
A negatively charged atom is called an electron.
This particle from the atom is the electron.