The electronegativity and the hardness are two popular and useful theoretical descriptors of chemistry and physics successfully used by both physicists and chemists in correlating chemico-physical properties of atoms,...The electronegativity and the hardness are two popular and useful theoretical descriptors of chemistry and physics successfully used by both physicists and chemists in correlating chemico-physical properties of atoms, molecules and condensed matter physics. We have tried to explore the fundamental nature of the hardness and electronegativity of atoms and have observed that their fundamental nature is basically lying in electrostatics and manifest as the electron attracting power emanating from the nucleus of the atom. We have tried to correlate the periodic nature of variation of the electronegativity and the hardness to the electron attracting power of the nucleus from which they are originated and developed. We have developed the formulae for evaluating both electronegativity and hardness and found that they have the direct correlation with the effective nuclear charge of the atoms and hence their periodicity.展开更多
The vibrating frequencies of a bond are considered to be important data, according to which it can be decided whether the bond is strong or weak and the steadiness of the molecules can also be figured out. On account ...The vibrating frequencies of a bond are considered to be important data, according to which it can be decided whether the bond is strong or weak and the steadiness of the molecules can also be figured out. On account of the limit of the measured experimental data, it is theoretically important and practically useful to establish an accurate method of展开更多
文摘The electronegativity and the hardness are two popular and useful theoretical descriptors of chemistry and physics successfully used by both physicists and chemists in correlating chemico-physical properties of atoms, molecules and condensed matter physics. We have tried to explore the fundamental nature of the hardness and electronegativity of atoms and have observed that their fundamental nature is basically lying in electrostatics and manifest as the electron attracting power emanating from the nucleus of the atom. We have tried to correlate the periodic nature of variation of the electronegativity and the hardness to the electron attracting power of the nucleus from which they are originated and developed. We have developed the formulae for evaluating both electronegativity and hardness and found that they have the direct correlation with the effective nuclear charge of the atoms and hence their periodicity.
文摘The vibrating frequencies of a bond are considered to be important data, according to which it can be decided whether the bond is strong or weak and the steadiness of the molecules can also be figured out. On account of the limit of the measured experimental data, it is theoretically important and practically useful to establish an accurate method of
