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Atomic and orbitals
Atomic orbitals are typically categorized by n, l, and m quantum numbers, which correspond to the electron's energy, angular momentum, and an angular momentum vector component, respectively.
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 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 may
Atomic may refer to:
Atomic models will consist of a single nucleus that may be surrounded by one or more bound electrons.
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.
Atomic energy also may refer to:
Energy level s for an electron in an atom: ground state and excited state s. After absorbing energy, an electron may Atomic electron transition | jump from the ground state to a higher energy excited state.
Atomic and molecular vibrational frequencies may average on the order of 10 < sup > 12 </ sup > cycles per second ( hertz ).
* The International Atomic Energy Agency ( IAEA ), the United Nations nuclear agency, finds undeclared components in Iran compatible with advanced uranium centrifuge designs, increasing Western concerns that it may be developing nuclear weapons.
Traces of the material may be found at the Trinity Site today, although most of it was bulldozed and buried by the United States Atomic Energy Commission in 1953.
: The State may become a member of the European Coal and Steel Community ( established by Treaty signed at Paris on the 18th day of April, 1951 ), the European Economic Community ( established by Treaty signed at Rome on the 25th day of March, 1957 ) and the European Atomic Energy Community ( established by Treaty signed at Rome on the 25th day of March, 1957 ).
: The State may become a member of the European Coal and Steel Community ( established by Treaty signed at Paris on the 18th day of April, 1951 ), the European Economic Community ( established by Treaty signed at Rome on the 25th day of March, 1957 ) and the European Atomic Energy Community ( established by Treaty signed at Rome on the 25th day of March, 1957 ).
: The State may become a member of the European Coal and Steel Community ( established by Treaty signed at Paris on the 18th day of April, 1951 ), the European Economic Community ( established by Treaty signed at Rome on the 25th day of March, 1957 ) and the European Atomic Energy Community ( established by Treaty signed at Rome on the 25th day of March, 1957 ).
To address concerns that its enrichment program may be diverted to non-peaceful uses, Iran has offered to place additional restrictions on its enrichment program including, for example, ratifying the Additional Protocol to allow more stringent inspections by the International Atomic Energy Agency, operating the uranium enrichment facility at Natanz as a multinational fuel center with the participation of foreign representatives, renouncing plutonium reprocessing and immediately fabricating all enriched uranium into reactor fuel rods.
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 values may belong to any of the 19 primitive types defined in the XML Schema specification ( for example, string, boolean, double, float, decimal, dateTime, QName, and so on ).
Brazil is also an active participant in the International Atomic Energy Agency and the Nuclear Suppliers Group, multinational agencies concerned with reducing nuclear proliferation by controlling the export and re-transfer of materials that may be applicable to nuclear weapon development.
" The Atomic Energy Commission decided that the " implosion " concept could be declassified for the trial, and limited all discussion to the weapons used in World War II ( fearing that Greenglass may have seen prototypes for future weapons while at Los Alamos ).
Atomic heraldry is heraldry characterised by the appearance of charges including the atom or showing the motion of parts of the atom ; more loosely, it may describe heraldry in which atoms or the component parts thereof are represented through a combination of other charges.
However they may have been retconned by the story " Origins " which implied that the cities may have become independent by mutual consent following the Atomic Wars.
Different countries may use different terminology: in the United States of America, " nuclear material " most commonly refers to " special nuclear materials " ( SNM ), with the potential to be made into nuclear weapons as defined in the Atomic Energy Act of 1954.
Projection clocks may be connected to and synchronize with an Atomic clock to self adjust their time accurately.

Atomic and be
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.
The former uncorrected time scale continues to be published, under the name EAL ( Echelle Atomique Libre, meaning Free Atomic Scale ).
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 journal Nature has reported that " the world must strengthen the ability of the International Atomic Energy Agency to make independent assessments of nuclear safety " and that " the public would be better served by an IAEA more able to deliver frank and independent assessments of nuclear crises as they unfold ".
TDT is tied in its rate to the SI second, as is International Atomic Time ( TAI ), but because TAI was somewhat arbitrarily defined at its inception in 1958 to be initially equal to a refined version of UT, TT is offset from TAI, by a constant 32. 184 seconds.
; Atomic operations: Shared data are accessed by using atomic operations which cannot be interrupted by other threads.
Atomic Energy Commission Chairman Lewis Strauss was quoted in the Chicago Daily Tribune on February 12, 1955, saying " I hope it will be known as Strauss ' law.
In Destination Moon, the Sprodj Atomic Research Centre invites Professor Cuthbert Calculus to head its space division, and later Tintin and Captain Haddock to be part of the moon mission.
Under the terms of Article III. 2 International Atomic Energy Agency ( IAEA ) safeguards must be applied to nuclear exports.
) The date of the test is usually considered to be the beginning of the Atomic Age.
After the war, Lawrence sought to maintain strong government and military ties at his lab, which became incorporated into the new system of Atomic Energy Commission ( AEC ) ( now Department of Energy ( DOE )) National Laboratories, but in the early 1950s set out that the lab's purpose would be primarily non-classified research.
Atomic weapons will be looked upon as a normal part of the arsenal of war and the stage will be set for the sudden and final destruction of mankind.
Macmillan, concerned that public confidence in the nuclear programme might be shaken and that technical information might be misused by opponents of defence co-operation in the US Congress, withheld all but the summary of a report into the Windscale fire prepared for the Atomic Energy Authority by Sir William Penney, director of the Atomic Weapons Research Establishment.
* LAMMPS ( Large-scale Atomic / Molecular Massively Parallel Simulator ) is a molecular dynamics library that can be used to model parallel atomic / subatomic processes at large scale.
In his Galaxy Five-Star Shelf column of December, 1954, he states, "... I actually did not become an earnest devotee of the form until 1944, about a year before the Atomic Age actually opened .... The first item I remember reading that could be classified as science fiction was H. G. Wells ' Men Like Gods, back in 1924 when I was a college sophomore.

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