A chemical compound is a chemical substance consisting of two or more different chemically bonded chemical elements, with a fixed ratio determining the composition. The ratio of each element is ...

Some chemical formulas, like H2O (a.k.a. water), are almost as familiar to us as the words themselves. But why do we write them the way we do? The answer goes back to ...

Physical and Chemical Properties and Changes Physical and chemical properties. Matter: Physical and Chemical Properties and Changes Physical and chemical properties, and physical and chemical changes ...

Want to learn more about this centerpiece of chemistry? Take your pick from this collection of links about elements and the periodic table! Build an element ball, solve periodic puzzles, and check out ...

Nature Chemical Biology is committed to enhancing interdisciplinary communication and features online content to increase the accessibility of chemical information for our readers. The adage that “a ...