Atomic Keys May 2026

) particles that occupy the or orbitals surrounding the nucleus.

). Atoms of the same element with different numbers of neutrons are called . Electrons : Negatively charged ( -1negative 1 Atomic Keys

: A standard unit used to express the mass of atoms; protons and neutrons each have a mass of approximately , while electrons are roughly ) particles that occupy the or orbitals surrounding

The core components of any atom determine its identity, mass, and charge. : Positively charged ( +1positive 1 ) particles located in the nucleus . Atomic Keys