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  1. John Dalton | Biography, Discoveries, Atomic Model, & Facts - Britannica

    Jan 20, 2026 · John Dalton, English meteorologist and chemist, a pioneer in the development of modern atomic theory. His theory was notable for, among other things, positing that each element had its …

  2. Dalton (unit) - Wikipedia

    The dalton is commonly used in physics and chemistry to express the mass of atomic-scale objects, such as atoms, molecules, and elementary particles, both for discrete instances and multiple types of …

  3. The Dalton School, A Leading Private K-12 Day School in New York

    The Dalton School is a leading, independent, gender-inclusive day school (K-12). Founded in 1919 by progressive educator Helen Parkhurst, it is recognized for its rigorous and innovative curriculum.

  4. John Dalton - Science History Institute

    Although a schoolteacher, a meteorologist, and an expert on color blindness, John Dalton is best known for his pioneering theory of atomism. He also developed methods to calculate atomic weights and …

  5. John Dalton - Wikipedia

    John Dalton FRS (/ ˈdɔːltən /; 5 or 6 September 1766 – 27 July 1844) was an English chemist, physicist, and meteorologist whose work laid the foundations of modern atomic theory and stoichiometric …

  6. John Dalton - Atomic Theory, Chemistry, Physics | Britannica

    Jan 20, 2026 · By far Dalton’s most influential work in chemistry was his atomic theory. Attempts to trace precisely how Dalton developed this theory have proved futile; even Dalton’s own recollections on …

  7. Thomas F. Dalton Funeral Homes | Floral Park, NY

    Thomas F. Dalton Funeral Homes offers a variety of funeral services, from traditional funerals to competitively priced cremations, serving Floral Park, NY ... Learn More

  8. 4.6: Dalton's Atomic Theory - Chemistry LibreTexts

    From his own experiments and observations, as well as the work of his peers, Dalton proposed a new theory of the atom. This later became known as Dalton's atomic theory. The general tenets of this …

  9. Dalton’s Atomic Theory: Definition, Statement, and Postulates

    In 1804, English chemist and physicist John Dalton introduced an atomic model to understand the composition of matter. According to this theory, all compounds are made of indivisible particles, …

  10. John Dalton - New World Encyclopedia

    Dalton is best known for his formulation of the atomic theory, which clarified our understanding of how atoms combine to form compounds, and how atoms may form new combinations during chemical …