3 



" 



nga 

 65. 



Vanadium 

 51.4 



Columbi 

 93.7 



Uranium 

 239.6 



ndium' 

 44.1 



!* 



38 



o 



Yttrium* 

 8.9 



Erbium 

 166.3 





Lithi 

 7. 



Rubidi 

 85.4 



Is 



<H 3 s ~ 



