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Chemical elements . Atomic elements . Simple substances. Elements of the periodic table. These are all different terms for the same concept. A long time ago, “ elements ” used to mean earth, air, wind and fire – but that is no longer true. The idea of an “ element ”, a basic building block of matter, has piqued the curiosity of mankind for many ages. But in chemistry – what exactly is an element – how do we define it? History of an Element Aristotle decreed that there were four ... Compounds Elements FAQs Elements and compounds are the two forms in which pure substances exist. Element Definition: Elements – Elements constitute the simplest chemical substances in which all the atoms are exactly the same. Compound Definition: Compounds – Compounds are chemical substances made up of two or more elements that are chemically bound together in a fixed ratio. Chemistry is the study of the structures, physical properties, and chemical properties of material substances. It ... Element Definition Elements are pure substance that contains only one type of atom that is the building block of all the matter in the universe. Elements can occur in all three states in the matter, that is, solid, liquid or gaseous state. Elements are recognized using chemical symbols and formulae. Elements maintain their homogeneity. For instance, a piece of gold is made up of only gold atoms. Atom is the smallest unit-forming element . It dictates the properties of elements . Elements also ... Learn what an element is , how it was first defined by Robert Boyle, and how it can be classified based on its properties and affinity for other elements. Explore the origin of the elements, the geochemical classification, and the six elements of life with examples and quizzes.
