Actinides are a group of heavy, radioactive elements that include uranium, plutonium, americium, curium, berkelium and ...
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Elements, Compounds, Mixtures (1959)
The film discusses the classification of matter into homogeneous and heterogeneous types, focusing on elements, compounds, and mixtures. It explains the properties of two elements, iron and sulfur, ...
Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...
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