Elements and Compounds: Understanding elements and compounds is basic knowledge to study chemistry. Elements are the basic building blocks of matter, while compounds are substances formed when two or ...

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, ...

Discover the history, structure, and importance of the periodic table of elements, from Mendeleev’s discovery to modern scientific applications. When you purchase through links on our site, we may ...

Editor's note: The following is a text-only version. The complete version with artwork is available for purchase here (PDF). The periodic table of the elements is one of the most powerful icons in ...

There are 17 rare earth elements on the periodic table, but a better name for them would be the "troublesome earths." Here's why. When you purchase through links on our site, we may earn an affiliate ...

The body is, for all intents and purposes, an extraordinarily complex machine. This requires a multitude of parts all working together in complicated relationships from the micro- to macromolecular ...

The heaviest element that humans have ever found is called oganesson. Each atom of the stuff packs a whopping 118 protons into its dense center. In contrast, hydrogen—the most abundant element in the ...