Hafnium is an element number 72 from transition metals family. Its symbol is Hf. Hafnium atomic weight is 178.492 amu. Hf stable and long lived isotopes are 176Hf: 5.2%, 177Hf: 18.6%, 178Hf: 27.1%, 179Hf: 13.7%, 180Hf: 35.2%. Hafnium electronic configuration is 1s22s22p63s23p63d104s24p64d104f145s25p66s25d2. Sample compounds that contain Hafnium are HfO2.
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