All matter in the natural world is composed of one or more of the 92 fundamental substances called elements. An element is a pure substance that is distinguished from all other matter by the fact that it …

All matter is made up of substances called elements, which have specific chemical and physical properties and cannot be broken down into other substances through ordinary chemical reactions. …

Nov 29, 2025 · A chemical element is any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all …

In everyday as well as scientific usage, matter generally includes atoms and anything made up of them, and any particles (or combination of particles) that act as if they have both rest mass and volume.

The chemical elements are arranged in a chart called the periodic table. Some characteristics of the elements are related to their position on the periodic table.

Jul 27, 2025 · Atoms are the building blocks of matter, the alphabet from which the story of the universe is written. But even atoms are only part of the story. They organize themselves into elements—distinct …

Hydrogen in its plasma state is the most abundant ordinary matter in the universe. The universe is made of tiny building blocks, particles. These particles combine to form atoms, molecules, and matter. …