Actinides are a group of heavy, radioactive elements that include uranium, plutonium, americium, curium, berkelium and californium. Understanding how these elements bond with other atoms (known as ...
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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, ...
SAN DIEGO, March 20, 2022 — Soft and immobile, sea sponges may appear inert, but these simple animals are rich with chemistry. From them, scientists have uncovered plenty of biologically active ...
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