Hafnium: Difference between revisions
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Revision as of 13:23, 10 May 2010
Hafnium is a chemical element, having the chemical symbol Hf.
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Its atomic number (the number of protons) is 72. It has a Standard Atomic Weight of 178.49(2), and is typically found as a solid in its elemental form.
Hafnium is considered to be a member of the "Transition metal" class of elements, has a boiling point of 4,603 °C , and a melting point of 2,233 °C .