根据 H—F 定理我们提出新的电负性标度。因此,这个电负性标度是建立在量子力学的基础上。我们还利用这个标度作一定数量的具体计算。计算的结果与 Pauling 和 Mulliken 的电负性数值进行比较。最后,为了检验我们的电负性标度,提出用电负性来计算气态分子偶极矩的公式,并且利用我们的电负性数值来计算一些气态分子的偶极矩。其结果证实我们的电负性标度是正确的。 According to the H-F theorem we propose a new electronegativity scale. Therefore, this electronegativity scale is based on quantum mechanics. We also use this scale for a specific number of calculations. The calculated results are compared with the electronegativity values ​​of Pauling and Mulliken. Finally, to test our electronegativity scale, we propose a formula that uses the electronegativity to calculate the molecular dipole moment of a gaseous molecule and uses our electronegativity value to calculate the dipole moment for some gaseous molecules. The results confirm that our electronegativity scale is correct.