Desmonduk
add ref
00:18
+77
link
19:39
+22
DavidB4-bot
→top: clean up & uniformity
15:10
-9
Dvergne
no edit summary
04:21
+28
ElizabethK
Add more.
03:07
+477
CSGuy
19:00
-45
Welshman
New page: {{Element | name=Lanthanum | symbol=La | anumber=57 | amass=138.9055 amu | state=Solid | class=Transition Metals | cstructure=Hexagonal | color=Silvery-white | date=1839 | discname=Carl Mo...
10:48
+567