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Hipervinculo Física
Periods, groups and the classes of elements in the modern periodic table.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Hipervinculo Física
Learn how chemical elements are organized in the modern periodic table and why the organization is important.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you ...
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