Hafnium


 * Element Name:** Hafnium


 * Element Symbol:** HF


 * Atomic Mass:** 178[[image:hafnium.gif width="288" height="216" align="right"]] [[image:hafnium_maya.png width="216" height="287" align="right"]]


 * Atomic Number:** 72


 * Protons:** 72


 * Electrons:** 72


 * Discovery:** Hafnium was discovered in 1932 by D. Coster and G. Vonltevesey.


 * How was it named:** Hafnium was named in honor of the city Hafnia, where it was found in.


 * State of Matter:** Solid


 * Melting Point:** 2,233ΘC


 * Characteristics:** Hafnium is a silver, stretchy metal. Its color is a shiny gray steel. Hafnium shares most of the same properties as Zirconium.


 * Uses of Element:** Hafnium is used in filaments and electrodes.


 * Interesting Facts:** Hafnium absorbs neutrons in control rods of nuclear reactors. Nuclear reactors produce energy for electricity. Hafnium was also once used in a weapon.

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