chemical element

Definitions

General Science

  • noun a substance which exists independently and cannot be broken down into simpler substances

Agriculture

  • noun a substance such as iron, calcium or oxygen, which exists independently and is not formed from a combination of other substances

Electronics

  • A substance which can not be subdivided into smaller units by chemical means. There are over 110 known chemical elements, each with unique properties, and they comprise all matter above the atomic level. The smallest particle that retains all the properties of an element is an atom. All neutral atoms of a given chemical element have the same number of protons and electrons, and if an element has isotopes, the difference between each is the number of neutrons in its nucleus. Also called element (3).
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