Electronegativity is proportional to this value divided by covalent radius squared, plus another additive constant, according tothe AllredÂ–Rochow formula.
The value for this parameter is approximately proportional to the square root of the ionization energy over Rydberg's constant. In HartreeÂ–Fock theory, this value is approximated by the ratio of the mean radius for hydrogen to the mean computed radius for an atom with given atomic number. Electronegativity is proportional to this value divided by covalent radius squared, plus another additive constant, according tothe AllredÂ–Rochow formula. More traditionally, this number is approximated for ns and np electrons by correcting by (*) 0.35 for every electron in shell n, 0.85 for every electron in shell n minus one, and 1 for every electron in shells n minus two and below; that empirical formula for it was developed by Slater. It is given by atomic number minus a shielding constant. For 10 points, name this value, the net positive charge experienced by a given electron.
The value for this parameter is approximately proportional to the square root of the ionization energy over Rydberg's constant.
effective nuclear charge [accept ZÂ­effective or ZÂ­star; do not accept "nuclear charge"]