TABEL PERIODIK UNSUR
G ........ O ........ L ........ O ........ N ........ G ........ A ........ N
IA
IIA
IIIB
IVB
VB
VIB
VIIB
--------
VIIIB
IB
IIB
IIIA
IVA
VA
VIA
VIIA
VIIIA
Group
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
P
E
R
I
O
D
© Copyright : Anton Harmoko