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Groups can further be catagorized in Representative Elements and the transition metals. Representative elements are Groups I & II on the left and Groups III - VIII on the right. Transition metals are the groups left in the middle of the periodic table.
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homepages.ius.edu/DSPURLOC/c121/RepElem.htm
homepages.ius.edu/DSPURLOC/c121/RepElem.htm
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Remember from the earlier review of electron configurations that H, Li and Na all ended with s1. If you look at the rest of the elements in that group you will see that the similarity continues on down the periodic table.
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dl.clackamas.cc.or.us/ch104-06/representative_elements....
dl.clackamas.cc.or.us/ch104-06/representative_elements.htm
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When finished, close this window by Clicking the X in the box (upper right hand corner) of little window ... The A group elements in the periodic table; elements having simplified notations where the outer most electrons are in the ns or np.
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www.cod.edu/people/faculty/fullerd/Definitions/Chapter_...
www.cod.edu/people/faculty/fullerd/Definitions/Chapter_6/RepresentativeEements.html
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Return to the Main Periodic Table of the Elements Page; Return to the Main CHEMystery Page ... The representative metals contain 3 main groups, the alkali metals, the alkaline earth metals, and the post-transitional metals.
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library.thinkquest.org/3659/pertable/repmetal.html
library.thinkquest.org/3659/pertable/repmetal.html
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The Representative Elements are those elements within the first two families (Groups I and II on the far left) and the last six families or groups (on the right) of the Periodic Table. The Transition Metals are the elements in those Groups within the middle of the Table.
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www.eserc.stonybrook.edu/ProjectJava/ChemicalChargeAppl...
www.eserc.stonybrook.edu/ProjectJava/ChemicalChargeApplet/definitions.html
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The Groups or Families can be further categorized into the Representative Elements and the Transition Metals. The Representative Elements are those elements within the first two families (Groups I and II on the far left) and the last six families or groups (on the right) of the Periodic Table.
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library.kcc.hawaii.edu/external/chemistry/rep_elements....
library.kcc.hawaii.edu/external/chemistry/rep_elements.html
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GENERAL CHEMISTRY 1140 PERIODIC CHEMICAL PROPERTIES REPRESENTATIVE ELEMENTS ... NON-REPRESENTATIVE ELEMENTS GROUP 11 29 Cu [Ar] 3d10 4s1, POORLY REACTIVE, IE = 745 kJ/MOLE GROUP 1 19 K [Ar] 4s1, VERY REACTIVE, IE = 419...
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www.uwplatt.edu/~sundin/114/l114_26.htm
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; The representative elements are located in groups 1A - 8A. ... Group 1A - called the Alkali Metals - contains the elements Li, Na, K, Rb, Cs, and Fr. These metals lose their one valence electron to form an ion with a +1 charge. They are soft enough to cut with a knife, and are very reactive with air and water.
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www.courseweb.unt.edu/gjones/summer2003/cecs5420/Sum2.0...
www.courseweb.unt.edu/gjones/summer2003/cecs5420/Sum2.03.5420.1/MelissaTaylor/representative_elements.html
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