DavidB4-bot
→top: HTTP --> HTTPS [#1], replaced: http://www.britannica.com → https://www.britannica.com
13:04
+1
SamHB
Uranium is higher, and is primordial. Actinium is naturally occurring as a daughter of Uranium, but is not primordial.
17:03
-136
DavidB4
largest mass element to naturally exist
21:39
+138
clean up & uniformity
00:58
-10
VargasMilan
Undo revision 1135598 by SKinney (talk)
04:05
-104
SKinney
no edit summary
06:49
+104
Dvergne
04:26
+28
Iduan
extra return
05:01
-1
HelpJazz
expand
03:34
+267
Matthew1036
Revert vandal
00:02
+257
IPodDude
Replacing page with 'No content here before!'
00:01
-257
MountainDew
reverting back to previous version by SharonS
01:54
-46
Unwriter
01:53
+46
SharonS
22:07
-150
19:32
+15
19:31
+415