atomic theory


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atomic theory

n.
The physical theory of the composition of matter stating that common materials are composed of molecules, which are composed of atoms, which are composed of nuclei and electrons. It holds that the properties of composite entities, such as their structure and behavior, arise from the properties of their components.

atomic theory

n
1. (Atomic Physics) any theory in which matter is regarded as consisting of atoms, esp that proposed by John Dalton postulating that elements are composed of atoms that can combine in definite proportions to form compounds
2. (Atomic Physics) the current concept of the atom as an entity with a definite structure. See atomic structure
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.atomic theory - a theory of the structure of the atomatomic theory - a theory of the structure of the atom
scientific theory - a theory that explains scientific observations; "scientific theories must be falsifiable"
atomic physics, nuclear physics, nucleonics - the branch of physics that studies the internal structure of atomic nuclei
Bohr theory - (physics) a theory of atomic structure that combined Rutherford's model with the quantum theory; electrons orbiting a nucleus can only be in certain stationary energy states and light is emitted when electrons jump from one energy state to another
Rutherford atom - first modern concept of atomic structure; all of the positive charge and most of the mass of the atom are contained in a compact nucleus; a number of electrons (equal to the atomic number) occupy the rest of the volume of the atom and neutralize the positive charge
2.atomic theory - (chemistry) any theory in which all matter is composed of tiny discrete finite indivisible indestructible particles; "the ancient Greek philosophers Democritus and Epicurus held atomic theories of the universe"
theory - a well-substantiated explanation of some aspect of the natural world; an organized system of accepted knowledge that applies in a variety of circumstances to explain a specific set of phenomena; "theories can incorporate facts and laws and tested hypotheses"; "true in fact and theory"
chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
References in periodicals archive ?
The main approaches used to describe the small-scale effect in the analysis of nanostructures include nonlocal continuum mechanics and the atomic theory of lattice dynamics [1].
They will have heard of atomic theory, which no one has seriously doubted for over a century.
Newtonian mechanics, James Clerk Maxwell's equations for electromagnetism, Einstein's relativity, Bohr's atomic theory, Turing's universal computer, Schrodinger's quantum wave function, Feynman's diagram: all these and more streamed into the phone you hold in your hand.
It is to be further emphasised that Isaac Newton acknowledged that ancient Egyptians were acquainted with gravitation, heliocentricity, and atomic theory.
In the late nineteenth century, Gorlaeus was rediscovered by chemists because his works advocated an atomic theory of matter.
According to Stenger, atomic theory is incompatible with a belief in God: "everything is simply atoms and the void, with no divine creation or purpose .
The atomic theory holds that the smallest unit of matter is the atom.
He is perhaps most famous for his pioneering work on atomic theory at the very beginning of the nineteenth century or his analysis of color blindness, which is still known as Daltonism in some places.
All these articles are my fledgling attempts at a new Fundamental Atomic Theory which considers the elementary particles as e.
Would there have been a similar long-lasting skirmish over gravity or atomic theory, given the cultural influences?
Erwin Schrodinger and Werner Heisenberg describe a new atomic theory in different but complementary terms, laying out the field of quantum mechanics (3/17/28, p.
Expect bicycles, murder, atomic theory, typewriters, infinity and sweets