Oct 15, 2023 · Chemicals come in various forms depending on their composition, structure, and how they interact with other substances. Understanding the main types of chemicals helps classify the …

Dec 26, 2025 · Chemistry is the study of substances—that is, elements and compounds —while biology is the study of living things. However, these two branches of science meet in the discipline of …

Chemical changes are different from physical changes, which don't result in a change in substances. One example of a physical change is when water freezes into ice. While ice may have different …

Chemical substances can exist in several different physical states or phases (e.g. solids, liquids, gases, or plasma) without changing their chemical composition. Substances transition between these …

Search chemicals by name, molecular formula, structure, and other identifiers. Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations …

May 15, 2025 · Learn how to safely handle chemicals, the effects of certain toxins, which substances are controlled or managed, and safer alternatives.

The meaning of CHEMICAL is of, relating to, used in, or produced by chemistry or the phenomena of chemistry. How to use chemical in a sentence.

Many chemicals have a damaging effect on the environment. The chemical industry produces such things as petrochemicals, drugs, and rubber. Sodium chloride is the chemical name for common salt. …

Aug 28, 2025 · Learn about 12 types of chemicals with examples, uses, and safety tips. Explore acids, bases, polymers, pharmaceuticals, and more in everyday life.

CHEMICAL definition: a substance produced by or used in a chemical process. See examples of chemical used in a sentence.