Hafnium is a chemical element; it has symbol Hf and atomic number 72. A lustrous, silvery gray, tetravalent transition metal, hafnium chemically resembles...

symbol is Md. Ng Norwegium 72 Discredited claim to discovery of hafnium. No Norium 72 Discredited claim to discovery of hafnium. The symbol No is now used...

Tyrol, Austria Parent range Erlspitzgruppe, Karwendel Geology Age of rock Norium Type of rock main dolomite Climbing First ascent 1886/1890 by August and...

the Reichraminger Decke, was deposited during the late Carnian and the Norium around 235 to 208 million years ago. The Sengsengebirge was partly glacierized...

Dutch). The English name "Norian", for example, becomes Noriano in Spanish, Norium in German, Noraidd in Welsh or Norien in French. Time is given in Megaannum...