Chemistry - Wikipedia
Chemistry is the scientific study of the properties and behavior of matter. [1][2] It is a physical science within the natural sciences that …
Chemistry | Definition, Topics, Types, History, & Facts | Britannica
May 22, 2026 · Chemistry is the science of the properties, composition, and structure of substances (defined as elements and …
What Is Chemistry? A Beginner’s Guide to the Central Science
Apr 25, 2025 · Chemistry, often called the “central science,” is the branch of science that deals with the composition, structure, …
1.1: What is Chemistry? - Chemistry LibreTexts
Chemistry is the study of matter—what it consists of, what its properties are, and how it changes. Being able to describe the …
PubChem
PubChem is the world's largest collection of freely accessible chemical information. Search chemicals by name, molecular formula, …
Chemistry archive - Science | Khan Academy
Chemistry is the study of matter and the changes it undergoes.
GENERAL CHEMISTRY explained in 19 Minutes - YouTube
Everything is made of atoms. Chemistry is the study of how they interact, and is known to be confusing, difficult, complicated...let's …
PhET: Free online physics, chemistry, biology, earth science and math ...
Free science and math simulations for teaching STEM topics, including physics, chemistry, biology, and math, from University of …
Nature Chemistry
Apr 3, 2026 · Nature Chemistry offers a unique mix of news and reviews alongside top-quality research papers. Published monthly, …
Periodic Table - Ptable - Properties
Interactive periodic table showing names, electrons, and oxidation states. Visualize trends, 3D orbitals, isotopes, and mix …