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Atomic and orbitals
Atomic orbitals are the basic building blocks of the atomic orbital model ( alternatively known as the electron cloud or wave mechanics model ), a modern framework for visualizing the microscopic behavior of electrons in matter.
Atomic orbitals exactly describe the shape of this " atmosphere " only when a single electron is present in an atom.
Atomic orbitals may be defined more precisely in formal quantum mechanical language.
Atomic orbitals can be the hydrogen-like " orbitals " which are exact solutions to the Schrödinger equation for a hydrogen-like " atom " ( i. e., an atom with one electron ).
The first few hydrogen atom Atomic orbital | electron orbitals shown as cross-sections with color-coded probability density
The Atomic orbital | orbitals of the hydrogen atom are descriptions of the probability distribution s of an electron bound state | bound to a proton.
In quantum mechanics, the electron s of an atom occupy Atomic orbital | orbitals around the Atomic nucleus | nucleus.
* 1929 Paper introduces the Linear Combination of Atomic Orbitals approximation for molecular orbitals
Atomic orbitals have distinctive shapes denoted by letters.

Atomic and are
Atomic semantics are defined for a variable with a single writer but multiple readers.
Atomic semantics are defined formally in Lamport's " On Interprocess Communication " Distributed Computing 1, 2 ( 1986 ), 77-101.
Atomic physics underlies the workings of chemistry, which studies emergent properties that in turn are the basis of biology.
" Atomic " data, that is, data at the lowest level of detail, are stored in the data warehouse.
Atomic properties like the ionization energy are often quoted in electron volts.
According to the International Atomic Energy Agency there are at least 100 research reactors in the world fueled by highly enriched ( weapons-grade / 90 % enrichment uranium ).
Professor John Mueller of Ohio State University, the author of Atomic Obsession, has also dismissed the need to interfere with Iran's nuclear program and expressed that arms control measures are counterproductive.
Atomic absorption lines are observed in the solar spectrum and referred to as Fraunhofer lines after their discoverer.
A summary of the amounts of radioactive wastes and management approaches for most developed countries are presented and reviewed periodically as part of the International Atomic Energy Agency ( IAEA ) Joint Convention on the Safety of Spent Fuel Management and on the Safety of Radioactive Waste Management.
International Atomic Time ( TAI ) is the primary international time standard from which other time standards, including UTC, are calculated.
; Atomic operations: Shared data are accessed by using atomic operations which cannot be interrupted by other threads.
Atomic bombs are based on the theory of nuclear fission, that when a large atom splits it releases a massive amount of energy.
Atomic models will consist of a single nucleus that may be surrounded by one or more bound electrons, whilst molecular models are typically concerned with Molecular Hydrogen and it's Molecular hydrogen ion.
Its Atomic number and atomic symbol are unknown.
The remaining bomb casings are located at the Russian Atomic Weapon Museum, Sarov ( Arzamas-16 ), and the Museum of Nuclear Weapons, All-Russian Research Institute of Technical Physics, Snezhinsk ( Chelyabinsk-70 ).
In various forms, other designs are under development by MIT, University of California at Berkeley, General Atomics ( U. S .), the Dutch company Romawa B. V., Adams Atomic Engines, and Idaho National Laboratory.
These are funded by various national agencies like the Department of Science and Technology, Department of Electronics, Department of Space, Aeronautical Development Agency, Department of Atomic Energy, and Oil and Natural Gas Commission ( ONGC ).
Atomic units are often abbreviated " a. u.
* 1985-1990 in the Film series Back to The Future, references to the Atomic Age and uses of Nuclear Energy are broadly explored ; for example the use of Plutonium in the time machine, the concept of " Mr. Fusion " ( a futuristic small scale fusion reactor for domestic use that can use garbage as fuel ) and references to the common 1950s conceptions of the Atomic Age.
There have also been numerous clones made ( and are still being made ) such as Atomic Tanks, Nasty Armoured Tanks of War, xscorch ( Open Source clone ), Scorched 3D, which attempt to modernize the gameplay and graphics, and others such as Charred Dirt that take a different approach by using a unique graphical style.

Atomic and typically
The Atomic Age, also known as the Atomic Era, is a phrase typically used to delineate the period of history following the detonation of the first atomic bomb, Trinity, on July 16, 1945.
Atomic nuclei have an energy-level structure somewhat analogous the energy levels of atoms, so that they may emit ( or absorb ) photons of particular energies, much as atoms do, but at energies that are thousands to millions of times higher than those typically studied in optical spectroscopy.
Atomic or simple molecular desorption will typically be a first-order process ( i. e. a simple molecule on the surface of the substrate desorbs into a gaseous form ).
According to the International Atomic Energy Agency, one kilogram of soil typically contains the following amounts of the following three natural radioisotopes 370 Bq < sup > 40 </ sup > K ( typical range 100-700 Bq ), 25 Bq < sup > 226 </ sup > Ra ( typical range 10-50 Bq ), 25 Bq < sup > 238 </ sup > U ( typical range 10-50 Bq ) and 25 Bq < sup > 232 </ sup > Th ( typical range 7-50 Bq ).

Atomic and by
The fullest cooperation by and with Atomic Energy Commission, the Department of Health, Education, and Welfare, the Department of State, and other concerned agencies shall also be carried out in the interest of achieving the objectives of this Act.
* Atomic ( album ), an album by Lit
* " Atomic " ( song ), a song by Blondie
* " Atomic ", a song by Tiger Army from Tiger Army III: Ghost Tigers Rise
* Atomic Dog, a song that is popular world wide ; written and performed by Our Father Who Art of Funk ; " George Clinton " from Parliament and the Funkadelics
Atomic models will consist of a single nucleus that may be surrounded by one or more bound electrons.
Atomic Semantics is a term which describes the guarantees provided by a data register shared by several processors in a parallel machine or in a network of computers working together.
Atomic absorption spectroscopy ( AAS ) is a spectroanalytical procedure for the quantitative determination of chemical elements employing the absorption of optical radiation ( light ) by free atoms in the gaseous state.
Atomic absorption spectrometry was first used as an analytical technique, and the underlying principles were established in the second half of the 19th century by Robert Wilhelm Bunsen and Gustav Robert Kirchhoff, both professors at the University of Heidelberg, Germany.
There would have to be a balance between the size of the warhead ( Orange Herald or Green Bamboo as developed by the Atomic Weapons Research Establishment ( AWRE ) and the need for it to be carried by any of the three V-bomber types in use, and that it should be able to reach Mach 3.
The first incarnation of the film was a 1953 script by Alex Gordon titled The Atomic Monster, but a lack of financing prevented any production.
Chemistry came of age when Antoine Lavoisier ( 1743 – 1794 ) developed the theory of Conservation of mass in 1783 ; and the development of the Atomic Theory by John Dalton around 1800.
A proposal by the U. S. to the United Nations Atomic Energy Commission ( UNAEC ) to a ) extend between all nations the exchange of basic scientific information for peaceful ends ; b ) implement control of atomic energy to the extent necessary to ensure its use only for peaceful purposes ; c ) eliminate from national armaments atomic weapons and all other major weapons adaptable to mass destruction ; and d ) establish effective safeguards by way of inspection and other means to protect complying States against the hazards of violations and evasions.
In Easter 1958, a 52-mile march from London to the Atomic Weapons Research Establishment at Aldermaston was organised by the Direct Action Committee, supported by CND after some initial reluctance.
Qinshan Nuclear Power Plant | Qinshan Phase III Units 1 & 2, located in Zhejiang China ( 30. 436 N 120. 958 E ): Two CANDU 6 reactors, designed by Atomic Energy of Canada Limited ( AECL ), owned and operated by the Third Qinshan Nuclear Power Company Limited
CANDU reactors were first developed in the late 1950s and 1960s by a partnership between Atomic Energy of Canada Limited ( AECL ), the Hydro-Electric Power Commission of Ontario ( now Ontario Power Generation ), Canadian General Electric ( now GE Canada ), and other companies.
EDuke was released as a patch for Atomic Edition users on July 28, 2000, and included a demo mod made by several beta testers.
While TT is strictly uniform ( being based on the SI second, every second is the same as every other second ), it is in practice realised by International Atomic Time ( TAI ) with an accuracy of about 1: 10 < small >< sup > 14 </ sup ></ small >.
After the war, Fermi served for a short time on the General Advisory Committee of the Atomic Energy Commission, a scientific committee chaired by J. Robert Oppenheimer which advised the commission on nuclear matters and policy.

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