atom number
101neutron number — noun The number of neutrons in the nucleus of an atom or isotope …
102coordination number — noun the number of ligands surrounding a central metal atom in a coordination compound …
103electron number — noun The number of electrons in an atom or ion …
104polar number — the number of valences (positive or negative) possessed by an atom in any particular compound …
105atomic number — noun Chemistry the number of protons in the nucleus of an atom, which is characteristic of a chemical element and determines its place in the periodic table …
106atomic number — /əˌtɒmɪk ˈnʌmbə/ (say uh.tomik numbuh) noun the number of protons in the nucleus of an atom of a given element. Abbrev.: at. no …
107mass number — /ˈmæs nʌmbə/ (say mas numbuh) noun the number of nucleons in the nucleus of an atom …
108oxidation number — /ɒksəˈdeɪʃən nʌmbə/ (say oksuh dayshuhn numbuh) noun a number representing the electric charges that the atom would have if the electrons in a compound were assigned to the atoms in a conventional way, as FeCl3, where the ferric ion has three… …
109inner quantum number — noun : a vector quantum number denoting the total angular momentum of an atom exclusive of nuclear spin symbol J or j …
110magnetic quantum number — noun Date: 1923 an integer that expresses the component of the quantized angular momentum of an electron, atom, or molecule in the direction of an externally applied magnetic field …
