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Topic: Atomic electron configuration table


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  file_nav_name Encyclopedia Index
This is a table of electron configurations of atoms.
At the 2004 Summer Olympics Brazil was represented by the Brazilian Olympic Committee (abbreviated COB).
The Acorn Electron was a budget version of the BBC Micro educational/ home computer made by Acorn Computers Ltd. It ha...
www.brainyencyclopedia.com /topics/32.html   (8108 words)

  
  NationMaster - Encyclopedia: Periodic table (alternate)
In the periodic table of the elements, a period is a row of the table.
The original table was created without a knowledge of the inner structure of atoms: if one orders the elements by atomic mass, and then plots certain other properties against atomic mass, one sees an undulation or periodicity to these properties as a function of atomic mass.
Mendeleev was later vindicated by the discovery of the electronic structure of the elements in the late 19th and early 20th century.
www.nationmaster.com /encyclopedia/Periodic-table-%28alternate%29   (6182 words)

  
 Spartanburg SC | GoUpstate.com | Spartanburg Herald-Journal   (Site not responding. Last check: 2007-10-25)
Electrons are able to jump from one energy level to another by emission or absorption of a quantum of energy, in the form of a photon.
Electron configuration is intimately related to the structure of the periodic table.
The notion of electron configuration ceases to be relevant, and yields to band theory.
www.goupstate.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=electron_configuration   (1349 words)

  
 Reference.com/Encyclopedia/Atomic orbital
Specifically, atomic orbitals are the quantum states of the individual electrons in the electron cloud around a single atom.
Fundamentally, an atomic orbital is a one-electron wavefunction.
The electrons in the outermost shell, or valence electrons, tend to be responsible for an element's chemical behavior.
www.reference.com /browse/wiki/P-orbital   (2108 words)

  
 CalendarHome.com - - Calendar Encyclopedia   (Site not responding. Last check: 2007-10-25)
In printed tables, each element is usually listed with its element symbol and atomic number; many versions of the table also list the element's atomic mass and other information, such as its abbreviated electron configuration, electronegativity and most common valence numbers.
Modern quantum mechanical theories of atomic structure explain group trends by proposing that elements within the same group have the same electron configurations in their valence shell, which is the most important factor in accounting for their similar properties.
The primary determinant of an element's chemical properties is its electron configuration, particularly the valence shell electrons.
encyclopedia.calendarhome.com /cgi-bin/encyclopedia.pl?p=Periodic_table   (2503 words)

  
 NationMaster - Encyclopedia: Ununtrium
The atomic mass of an element (also known as the relative atomic mass or average atomic mass or atomic weight) is the average atomic mass of all the chemical elements isotopes as found in a particular environment, weighted by isotopic abundance.
Electron atomic and molecular orbitals In atomic physics, the electron configuration is the arrangement of electrons in an atom, molecule or other body.
Situated in group IIIa of the periodic table, it is expected to have properties similar to those of thallium and indium.
www.nationmaster.com /encyclopedia/Ununtrium   (1311 words)

  
 NationMaster - Encyclopedia: Lawrencium
Electron atomic and molecular orbitals In atomic physics and quantum chemistry, the electron configuration is the arrangement of electrons in an atom, molecule, or other physical structure (eg, a crystal).
A strict correlation between periodic table blocks and chemical series for neutral atoms would describe lawrencium as a transition metal because it is in the d-block, but it is an actinide according to IUPAC.
Electron capture is a decay mode for isotopes that will occur when there are too many protons in the nucleus of an atom, and there isnt enough energy to emit a positron; however, it continues to be a viable decay mode for radioactive isotopes that can decay by positron...
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 Quantum Numbers and Electron Configurations   (Site not responding. Last check: 2007-10-25)
The electron configuration of an atom describes the orbitals occupied by electrons on the atom.
Electrons are added to a subshell with the same value of the spin quantum number until each orbital in the subshell has at least one electron.
Electron configurations of the next two elements in the periodic table, for example, could be written as follows.
chemed.chem.purdue.edu /genchem/topicreview/bp/ch6/quantum.html   (2581 words)

  
 Electron configuration
Since electrons are fermions they are subject to the Pauli exclusion principle, which states that no two fermions can occupy the same quantum state at once.
This is the fundamental basis of the configuration of electrons in an atom: once a state is occupied by an electron, the next electron must occupy a different quantum mechanical state.
The chemical properties of an atom are largely determined by the arrangement of the electrons in its outermost ("valence") shell (although other factors, such as atomic radius, atomic mass, and increased accessibility of additional electronic states also contribute to the chemistry of the elements as atomic size increases).
www.keywordmage.net /el/electron-configuration.html   (964 words)

  
 Teachers' Domain: Periodic Table of the Elements
The electron configuration shown in the periodic table indicates how many electrons are found in each shell, from innermost to outermost.
Electron configuration depends upon the energy state and magnetic spin of each electron, and these qualities place electrons into particular subshells within each shell.
The atomic number of an element is equal to the number of protons found in an atom of that element.
www.teachersdomain.org /6-8/sci/phys/matter/ptable/index.html   (1108 words)

  
 SparkNotes: Atomic Structure: Electron Configuration and Valence Electrons
The outermost orbital shell of an atom is called its valence shell, and the electrons in the valence shell are valence electrons.
Valence electrons are the highest energy electrons in an atom and are therefore the most reactive.
The electron configurations of the first ten elements are shown below (note that the valence electrons are the electron in highest energy shell, not just the electrons in the highest energy subshell).
www.sparknotes.com /chemistry/fundamentals/atomicstructure/section2.rhtml   (988 words)

  
 SparkNotes: Organic Atomic Structure: Electron Configuration and Valence Electrons
The outermost shell of an atom is its valence shell, and the electrons in the valence shell are valence electrons.
While inner electrons (those not in the valence shell) typically don't participate in chemical bonding and reactions, valence electrons can be gained, lost, or shared to form chemical bonds.
The electron configurations for the first and second row elements are shown in figure 2.2 in simplified notation.
www.sparknotes.com /chemistry/organic1/atomicstructure/section2.rhtml   (571 words)

  
 Electron Configurations & The Periodic Table
As we progress from lithium (atomic number=3) to neon (atomic number=10) across the second row or period of the table, all these atoms start with a filled 1s-orbital, and the 2s-orbital is occupied with an electron pair before the 2p-orbitals are filled.
In the third period of the table, the atoms all have a neon-like core of 10 electrons, and shell #3 is occupied progressively with eight electrons, starting with the 3s-orbital.
These electron sharing diagrams (Lewis formulas) are a useful first step in understanding covalent bonding, but it is quicker and easier to draw Couper-Kekulé formulas in which each shared electron pair is represented by a line between the atom symbols.
www.cem.msu.edu /~reusch/VirtualText/intro2.htm   (2116 words)

  
 Education Resources » Periodic table
In printed tables, each element is usually listed with its element symbol and atomic number; many versions of the table also include the element’s atomic mass and other information, such as its abbreviated electron configuration, electronegativity and most common valence numbers.
The main value of the periodic table is the ability to predict the chemical properties of an element based on its position in the table.
Modern quantum mechanical theories of atomic structure explain that elements within the same group have the same electron configurations in their valence shell, which is the largest factor in accounting for their similar chemical properties.
www.thecatalyst.org /resource/2006/04/21/Periodic-table   (1991 words)

  
 Electron Configuration
The electron configuration of an atom is the particular distribution of electrons among available shells.
The number of electrons in an atom of an element is given by the atomic number of that element.
With increasing atomic number, the electron configuration of the atoms display a periodic variation.
library.thinkquest.org /10429/high/eleconfig/electron.htm   (812 words)

  
 Periodic table - Pharmpedia
Mendeleev's discovery of the periodic table was one of the greatest developments in modern chemistry; chemists for the first time were able to quantitatively explain the behaviour of the elements and to predict the existence of undiscovered ones.
A group is a vertical column in the periodic table of the elements.
Mendeleev was later vindicated by the discovery of the electronic structure of the elements in the late
www.pharmpedia.com /Periodic_table   (1355 words)

  
 Atomic Structure
This law states that "the properties of the elements are periodic functions of atomic number." The periodic table is a chart which categorizes elements by "groups" and "periods." All elements are ordered by their atomic number.
Atomic mass is measured in Atomic Mass Units where 1amu = (1/12)mass of carbon measured in grams.
An electron configuration is basically an account of how many electrons there are, and in what orbital they reside under "normal" conditions.
www.shodor.org /unchem/basic/atom   (1742 words)

  
 CHEMystery: Atomic Structure and Bonding: Electron Configurations
The distributions of electrons among the orbitals of an atom is the atom's electronic structure or electron configuration.
The Periodic Table of the Elements is constructed and arranged so that similar chemical properties were arranged in verticle collumns called groups.
The core electrons are the rest of the electrons, and they are buried deep within the atom and usually do not play a role in chemical reactions.
library.thinkquest.org /3659/structures/electronconfig.html   (740 words)

  
 electron configuration table (electlon configuration table) information.
Electronic Configuration of the Elements - General Chemistry Table.
The electron configuration of an atom is a form of notation which shows how..
Atomic electron configuration table This is a table of electron configurations of atoms.
www.translation-directory.com /e/electron_configuration_table.html   (189 words)

  
 Atomic Periodic Properties
The periodic variation in electron configurations as one moves sequentially through the Periodic Table from H to ever heavier elements produces a periodic variation in a variety of properties.
Both have electrons in the 1s orbital, but the increased nuclear charge of He pulls its two 1s electrons closer to the nucleus, and thus more energy is needed to remove either one of them than is needed for H with only a single nuclear proton.
If you compare the locations of these elements to the Periodic Table of spherical elements that we already discussed, you will see that those atoms that are spherical because they have closed shells or subshells also have zero or nearly zero electron affinities.
www.dartmouth.edu /%7egenchem/0405/spring/6glueck/PeriodicProp.html   (1169 words)

  
 Atomic Structure and Periodic Properties
I'd be happy to explain in detail how the electrons organize themselves; if you'd prefer, I can also give you a short crash course in interpreting the chart.
Well, you'll notice that within a period, the outermost electrons are all in the same primary level--that is, at (roughly) the same distance from the nucleus.
But as you move to the right, the elements increase in atomic number; each element has one more proton than its left-hand neighbor.
www.colorado.edu /physics/2000/periodic_table/atomic_structure.html   (380 words)

  
 Atomic electron configuration table Details, Meaning Atomic electron configuration table Article and Explanation Guide
Atomic electron configuration table Guide, Meaning, Facts, Information and Description
This is a table of electron configurations of atoms.
This is an Article on Atomic electron configuration table.
www.e-paranoids.com /a/at/atomic_electron_configuration_table.html   (74 words)

  
 Periodic Table of The Elements
Electronegativity of Neon (A. Allred): NA Electronic Configuration of Neon: [He]2s
Electronegativity of Argon (A. Allred): NA Electronic Configuration of Argon: [Ne]3s
Electronegativity of Krypton (A. Allred): NA Electronic Configuration of Krypton: [Ar]4s
www.chemicalforums.com /index.php?page=periodictable   (1679 words)

  
 The ChemCollective: Periodic Table Applet
Simply click on the desired element and data as well as a graphical plot of electron configurations will be displayed.
This particular version shows the electronic configuration of the element in the panel on the right.
Future versions of this applet will show relative atomic sizes, electronegativities and other periodic trends, as well as extensive atomic data.
www.chemcollective.org /applets/pertable.php   (117 words)

  
 Illustrated Periodic Table of the Elements.
Home rare earth magnets, molecular models, credit card magnifiers, school science supplies
his 6 page periodic table of the elements fits into a 3 ring binder and has all the information you will likely need regarding the first 108 elements.
Two pages show the elements as they appear naturally or how they are used while others detail atomic number and mass, elemental symbol, group number, half lives of radioactive elements, covalent atomic and ionic radii, boiling and melting points, density, electronic configuration and oxidation states.
www.indigo.com /science-supplies/periodic-tables.html   (137 words)

  
 Wiley-VCH - Books | Physics | Thermal Physics | Principles of Statistical Physics | Table of contents
Electron Drift in a Gas in an External Electric Field
Physical Parameters in the Form of the Periodical Table of Elements
Electron Binding Energies in Negative Ions of Atoms
www.wiley-vch.de /publish/en/books/bySubjectPH00/bySubSubjectPH80/3-527-40613-1/toc/?sID=72793246d6dcb5f453f519b5383d5b33   (339 words)

  
 Atomic electron configuration table   (Site not responding. Last check: 2007-10-25)
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 Chemical Elements.com - An Interactive Periodic Table of the Elements
Chemical Elements.com - An Interactive Periodic Table of the Elements
Click on an element symbol for more information
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