Electron Behavior

Electrons are negatively charged subatomic particles that are attracted to an orbit around the positively-charged nucleus of an atom. They reside in locations that are associated with energy levels called shells and are further organized into sub-shells and orbitals within each shell.

Electrons Orbit the Nucleus

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Electrons are small subatomic particles with a negative electrical charge.

Because they are negatively charged, electrons are attracted to the positively charged nucleus. They occupy energy levels, called shells, around the nucleus. Each energy level contains smaller regions called orbitals, where electrons are most likely to be found.