9 feb 1869 año - Second Periodic Table created
Descripción:
He did the second periodic table, more based on chemical properties of elements than just atomic mass, like Newlands did. He also created a law that would explain where elements would be placed, and predicted some undiscovered elements, like aluminium.He used the law of underlying pattern (periodicity)
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fecha:
9 feb 1869 año
Ahora mismo
~ 155 years ago
