Electronic configuration of Hafnium Xe 4f 14 5d 2 6s 2. Classified as a transition metal Hafnium is a solid at room temperature. Hf Hafnium Element Information Facts Properties Trends Uses And Comparison Periodic Table Of The Elements Schoolmykids Ok but how many valence electrons does an atom of Hafnium have. . 72 Number of Neutrons. Total number of valence electrons in an HF molecule 1 7 8. 2506 K 2233 C 4051 F Boiling point. One of the oldest procedures for the determination of zirconium and hafnium is based upon precipitation as phosphate from dilute sulfuric acid solution. The ground state electron configuration of ground state gaseous neutral hafnium is Xe. For main group elements ie s-block and p-block elements the valence. We can check the atomic number from the periodic table to confirm the valence electron number. Electron configuration of Hafnium is Xe 4f14 5d2 6s2. Hafnium atoms have 72 electro...