Hafnium

= Hafnium=


 * Atomic Number:** 72

 **Electrons:** 72
 * Protons:** 72


 * Neutrons:** 106


 * Average Atomic Mass:** 178.5 amu


 * Isotopes:** Hf - 172, Hf - 174, Hf - 176, Hf - 177, Hf - 178, Hf - 179, Hf - 180, Hf - 182

Discovery: Hafnium is a ductile metal with a brilliant silver lustre. Hafnium was discovered by Dirk Coster and George Charles in 1923 at Denmark.
Name: The word Hafnium come froms Latin word "Hafnia" meaning "Copenhagen"

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 * **I**nteresting Facts:
 * can absorb neutrons easily
 * ======cost per pound is $100-$500, depending on the purity======

media type="youtube" key="egw79BA_0PA" height="344" width="425"
 * Video:**


 * Sources**
 * [| Isotopes]
 * [|History and named]
 * [|Facts and uses]
 * I used my science book.
 * [|WebElements]
 * Photo: [|Electric Piano by MarkyBon on Flickr]
 * Video: [|Hafnium on the Periodic Table of Videos]