a trivalent metallic element of the rare earth group; occurs together with yttrium; forms highly magnetic compounds
Video Player is loading.
Current Time 0:00
Duration -:-
Loaded: 0%
Stream Type LIVE
Remaining Time -:-
 
1x
    • Chapters
    • descriptions off, selected
    • captions off, selected
        Love
        Yay
        2
        2 Comments 0 Shares 1820 Views