Karen Forneste
Saturday, November 24, 2012
Computer Project
Periodic table
Periodic Table of Elements
1
18
1
IIA
IIIA
IVA
VA
VIA
VIIA
2
3
IIIB
IVB
VB
VIB
VIIB
VIII
VIII
VIII
IB
IIB
4
5
6
7
8
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