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Physics and Our Universe: How It All Works
Physics and Our Universe: How It All Works

Ionisation in a strong laser field
Ionisation in a strong laser field

Rotational Inertia
Rotational Inertia

- Philsci
- Philsci

... widespread agreement that Clifton and Monton (1999) have shown their argument to be mistaken. In their reply to Clifton and Monton, Bassi and Ghirardi (2001) switch the terms of the debate to the mass density link; I will take this up in the next section. Frigg (2003) gives a different argument for ...
INTERPLAY BETWEEN STRUCTURAL AND ELECTRONIC PROPERTIES OF CARBON NANOTUBES
INTERPLAY BETWEEN STRUCTURAL AND ELECTRONIC PROPERTIES OF CARBON NANOTUBES

... A combination of ab initio Density Functional and parametrized Linear Combination of Atomic Orbitals calculations is used to describe the interplay between structural and electronic properties of single-wall, multi-wall, and bundled carbon nanotubes. The electronic structure of cylindrical single-an ...
Quantum Hall effect in graphene: Status and prospects
Quantum Hall effect in graphene: Status and prospects

... obeying a linear dispersion relation, behave like massless relativistic particles. It is a 2D nanomaterial with many peculiar properties. It is the thinnest material in the universe and the strongest ever measured. Its charge carriers exhibit intrinsic mobility and can travel micrometer-long distanc ...
3: Haloalkanes, Alcohols, Ethers, and Amines
3: Haloalkanes, Alcohols, Ethers, and Amines

... is in the first row of the periodic table. As a result, it forms only one chemical bond and has no unshared electrons (Figure [graphic 3.3]). Chemical Reactivity of Unshared Electron Pairs. Unshared electron pairs are chemically reactive and can participate in chemical bond formation. For example, w ...
Modeling Physical and Chemical Properties of Aerosols: A
Modeling Physical and Chemical Properties of Aerosols: A

Statistical mechanics - University of Guelph Physics
Statistical mechanics - University of Guelph Physics

... of a reversible transformation, consider the quasi-static compression of a gas. The work done on during the compression can be extracted again by letting the gas expand back to its original volume. Since both the gas and the agent responsible for the compression then return to their original states, ...
C H
C H

... Configuration of a molecule – three-dimentional arrangement of atoms in the molecule. The ability to form two or more molecules with different configuration is called stereoisomerism. Stereocenter is defined as an atom bearing groups such that an interchanging of any two groups leads to a stereoisom ...
quantum
quantum

... “illuminated” hole. To borrow a term used by Renninger (1960), when the time has elapsed in which the electron could be illuminated at hole A, and it is not illuminated, the observer makes a “negative” (p. 418) observation. The common factor associated with the electron’s passage through the wall in ...
Probing atomic structure and Majorana wavefunctions in
Probing atomic structure and Majorana wavefunctions in

... superconductor heterostructures is to combine a spin texture with an s-wave superconductor allowing to create a superconducting state with effective p-wave pairing, giving birth to a new state of matter—topological superconductivity.2,3 MBSs arise as zero-energy states lying in the superconducting g ...
Major 1 - KFUPM Faculty List
Major 1 - KFUPM Faculty List

... Find the equation of a bound orbit of the particle (having an orbital angular momentum ( ℓ ) about the center of the potential) to the first order of r/a. (b) A particle of mass m moves in a central force field that has a constant magnitude F0 but always points toward the origin. (i) Find the angula ...
Tailoring Rydberg interactions via F\" orster resonances: state
Tailoring Rydberg interactions via F\" orster resonances: state

... novel interacting quantum systems with wide-ranging applications from quantum information processing to quantum simulation [1]. The underlying reason turning Rydberg gases into such a rich system is the strong dipole-dipole interaction between pairs of atoms [2–5]. The strength and angular dependenc ...
 From Ultracold Atoms to Condensed Matter Physics
 From Ultracold Atoms to Condensed Matter Physics

... One of the main unresolved issues of modern condensed matter physics is the description and analysis of strongly coupled theories. A system is defined as strongly coupled if the average kinetic and interaction energies of the atoms are of the same order. If the kinetic term dominated, one could do p ...
the chemistry of life: organic and biological chemistry
the chemistry of life: organic and biological chemistry

... of organic molecules is often low. They are generally soluble in nonpolar solvents and not very soluble in water. c:x:o (Section 13.3) Molecules that are soluble in polar solvents such as water are those that have polar groups on the surface of the molecule, such as found in glucose [Figure 25.2(a) ...
Centre of Gravity, Stability, Friction File
Centre of Gravity, Stability, Friction File

... Centre of Gravity • Centre of gravity of a body: the point where its weight is considered to act • Sometimes called centre of mass (the same thing effectively) ...
Accurate determination of the rotational constants of ultracold
Accurate determination of the rotational constants of ultracold

PS 1360 Activities --- Fall Semester 2007 1. The Nature of
PS 1360 Activities --- Fall Semester 2007 1. The Nature of

... (about 2 cm diameter) down a “V”-shaped track that has a gentle slope. (A gentle slope is essential to give large time differences for the different balls.) Ask the class to use their watches to measure the amount of time for the ball to roll all the way down. Write down the time on the board. Now u ...
Chapter 9 Review, pages 628–633
Chapter 9 Review, pages 628–633

the full course notes are available here in book form for downloading
the full course notes are available here in book form for downloading

... that manifestly conserve energy and other quantites. These are the so-called symplectic integrators. Although this problem is conservative, there are some scenarios in which energy might be dissipated. This can dramatically change the character of the equilibria of the system. An equilibrium is a co ...
Document
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... Comparison of Linear and Rotational Motion: When a rigid body such as a merry-go-round rotates around an axis, each particle in the body moves in its own circle around that axis. Since the body is rigid, all particles make one revolution in the same amount of time. i.e., they all have the same angul ...
GK-pt-1 - KFUPM Faculty List
GK-pt-1 - KFUPM Faculty List

... in a much larger concentration of stable nuclei of the same element. Also, if not prepared in pure elemental fonn, additional stable nuclei may be included from other elements that are Chemically combined with those of the source. For sources in which self-absorption is a problem, there is a premium ...
Philosophy of Science, 69 (September 2002) pp
Philosophy of Science, 69 (September 2002) pp

... producing (I I)/4 by mixing eigenstates of the Bell operator shows only that there is a nonlocal quantum hidden variables model of the state (I I)/4, not that there can be no local one! So we see that it is in general fallacious to take the locality properties of the pure components of a mixture to ...
Department of Chemistry First Year Syllabus
Department of Chemistry First Year Syllabus

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Atomic theory



In chemistry and physics, atomic theory is a scientific theory of the nature of matter, which states that matter is composed of discrete units called atoms. It began as a philosophical concept in ancient Greece and entered the scientific mainstream in the early 19th century when discoveries in the field of chemistry showed that matter did indeed behave as if it were made up of atoms.The word atom comes from the Ancient Greek adjective atomos, meaning ""uncuttable"". 19th century chemists began using the term in connection with the growing number of irreducible chemical elements. While seemingly apropos, around the turn of the 20th century, through various experiments with electromagnetism and radioactivity, physicists discovered that the so-called ""uncuttable atom"" was actually a conglomerate of various subatomic particles (chiefly, electrons, protons and neutrons) which can exist separately from each other. In fact, in certain extreme environments, such as neutron stars, extreme temperature and pressure prevents atoms from existing at all. Since atoms were found to be divisible, physicists later invented the term ""elementary particles"" to describe the ""uncuttable"", though not indestructible, parts of an atom. The field of science which studies subatomic particles is particle physics, and it is in this field that physicists hope to discover the true fundamental nature of matter.
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