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d-Block Elements - f-Block Elements

"The d-block elements are found in the middle of the period table. The d-block elements are called transition metals and have valence electrons in d orbital's. The f-block elements,found in the two ro ...

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Video Física

Atomic Mass

"An element’s atomic mass is the mass of one atom of that element, measured in atomic mass units (amu). An element’s atomic mass in amu is equal to its molar mass in g/mol." Fuente: BrightStormAtomic ...