p e r i o d i c  postings about the periodic table.
Periodic
Reference
Questions

101365
Gallery

o o
+ o + o + o + o
+ o + + + o + o
+ o + + + + + o o o + + + + + + o o
+ o + + + + + + + + + + + + + + o o
+ o + + + + + + + + + + + + + + + +
+ + + + + + + + + + + + + + +
La + + + + + + + + + + + + + +
Ac + + + + + + + + + + + + + +

April 2005
Sun Mon Tue Wed Thu Fri Sat
          1 2
3 4 5 6 7 8 9
10 11 12 13 14 15 16
17 18 19 20 21 22 23
24 25 26 27 28 29 30
Nov   May
Last update:
4/14/05; 2:30:46 AM
© Chris Heilman, 2003


Thursday, April 14, 2005


Rare earth element:

Ceric ammonium nitrate:


    comments

end of page