ADDITIONAL INFO

HISTORY

1
2
3
4
5
7
1A
H
Li
Na
K
Rb
Cs
2A
Be
Mg
Ca
Sr
Ba
3B
Sc
Y
La-Lu
4B
Ti
Zr
Hf
5B
V
Nb
Ta
6B
Cr
Mo
W
7B
Mn
Tc
Re
Fe
Ru
Os
8
Co
Rh
Ir
Ni
Pd
Pt
1B
Cu
Ag
Au
2B
Zn
Cd
Hg
3A
B
Al
Ga
In
Tl
4A
C
Si
Ge
Sn
Pb
5A
N
P
As
Sb
Bi
6A
O
S
Se
Te
Po
7A
F
Cl
Br
I
At
NOBLE
He
Ne
Ar
Kr
Xe
Rn
 
 
 
La
Ce
Pr
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu

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