Hafnium

Hafnlum By Christian Carter


===The symbol for hafnlum is. Hafnlum atomic number is 72 and its atomic mass is 187. The number of protons 72, nutrons 178, and electrons 106. Hafnlum's melting point is 2233 oC and its boiling point is 4063 oC. Hafnulm is a solid. The cost for hafnlum is $120.00 for 100 grams. Hafnlum's classfaction is a metal. Hafnlum belongs to the transition metals family. The orgin name of hafnlum comes from the latin word hafnia, meaning copenhagen. Hafnlum was descoverd by Dirk Coster, a spanish chemist and Charls De Heversy a hungarian chemist.===

Interesting info about hafnlum.
==﻿1. It is not found free in nature.==

==2. It is difficulto to seperate it form zirconium. ==