The number of protons in the nucleus of an atom, labelled Z. Uniquely identifies the chemical element — all atoms with Z = 6 are carbon atoms, regardless of neutron count. Also equals the number of electrons in a neutral atom. Z is the…
The number of protons in the nucleus of an atom, labelled Z. Uniquely identifies the chemical element — all atoms with Z = 6 are carbon atoms, regardless of neutron count. Also equals the number of electrons in a neutral atom. Z is the…