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LA TABLA PERIODICA
Autor :
angie valentina arevalo tobar
1.
Rb
2.
Cr
3.
He
4.
Ge
5.
Br
6.
Au
7.
K
8.
Na
9.
Sr
10.
Be
11.
Pd
12.
Pb
13.
As
14.
Te
15.
Ga
16.
At
17.
Xe
