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PubChem
PubChem is the world's largest collection of freely accessible chemical information. Search chemicals by name, molecular formula, structure, and other identifiers. Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more.
What Is a Chemical? Definition and Examples - Science Notes and Projects
A chemical is matter with a defined composition. What is a chemical? In science, a chemical is any substance with a specific composition, whether it’s a single element or a compound of multiple elements. While people often think of “chemicals” as synthetic or harmful substances, the truth is that everything around you, including water, air, and even your own body, consists of chemicals ...
Learn Chemistry - A Guide to Basic Concepts - ThoughtCo
You can teach yourself general chemistry with this step-by-step introduction to the basic concepts. Learn about elements, states of matter, and more.
What Is Chemistry? A Beginner’s Guide to the Central Science
Chemistry, often called the “central science,” is the branch of science that deals with the composition, structure, properties, and changes of matter. It connects the other natural sciences, including physics, biology, and geology, by explaining how substances interact and transform. Whether it’s the chemical reactions occurring in our bodies or the processes happening in the stars above ...
List of Chemical Compounds - 33Science
Explore a comprehensive list of 60 Chemical Compounds, each listed with chemical formula, molar mass, and primary use or where it's commonly found. This curated reference is ideal for students, educators, lab technicians, and curious readers who need quick access to accurate compound data and practical applications—perfect for study, lab work, or general chemistry reference.
What Is and Is Not a Chemical? - ThoughtCo
A chemical is any substance that is made of matter, like solids, liquids, or gases. Light, heat, and sound are not chemicals since they are not made of matter. Chemicals can be both natural, like oxygen, or artificial, like stainless steel.
Chemistry | Definition, Topics, Types, History, & Facts | Britannica
Chemistry is the science of the properties, composition, and structure of substances (defined as elements and compounds), the transformations they undergo, and the energy that is released or absorbed during these processes. Chemistry is concerned with the properties of atoms and the laws governing their combinations.
12 Types of Chemicals Explained | Uses, Examples & Safety Tips
Learn about 12 types of chemicals with examples, uses, and safety tips. Explore acids, bases, polymers, pharmaceuticals, and more in everyday life.
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 studies matter: composition, structure, properties, behavior and the changes they undergo during reactions with other substances. [3][4][5][6] Chemistry also addresses the nature of chemical bonds in chemical compounds. In the scope of its subject ...
Examples of Chemical Reactions in Everyday Life
Get examples of chemical reactions in everyday life and see how chemistry is everywhere in the world around you.
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