Atomic Keys | Confirmed – 2024 |

: Neutral particles (no charge) also found in the nucleus.

: A standard unit used to express the mass of atoms; protons and neutrons each have a mass of approximately , while electrons are roughly Atomic Keys

). Atoms of the same element with different numbers of neutrons are called . Electrons : Negatively charged ( -1negative 1 : Neutral particles (no charge) also found in the nucleus