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Topic: Group 12 element


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In the News (Sun 18 Aug 19)

  
 Encyclopedia: Group 12 element   (Site not responding. Last check: 2007-11-06)
A period 4 element is one of the chemical elements in the fourth row (or period) of the periodic table of the elements.
A period 5 element is one of the chemical elements in the fifth row (or period) of the periodic table of the elements.
A period 7 element is one of the chemical elements in the seventh row (or period) of the periodic table of the elements.
www.nationmaster.com /encyclopedia/Group-12-element   (455 words)

  
 Encyclopedia: List of chemistry topics   (Site not responding. Last check: 2007-11-06)
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.
A Group 5 element is an element in periodic table group 5 (IUPAC style) in the periodic table, which consists of: vanadium (23) niobium (41) tantalum (73) dubnium (105) All of these elements are classed in Group 5 because their valence shell holds four electrons.
A Group 7 element is an element in periodic table group 7 (IUPAC style) in the periodic table, which consists of: manganese (25) technetium (43) rhenium (75) bohrium (107) All of these elements are classed in Group 7 because their valence shell holds four electrons.
www.nationmaster.com /encyclopedia/List-of-chemistry-topics   (8671 words)

  
 Group 17 element - Hutchinson encyclopedia article about Group 17 element
Any of a group of five non-metallic elements with similar chemical bonding properties: fluorine, chlorine, bromine, iodine, and astatine.
They form a linked group (Group 7) in the periodic table, descending from fluorine, the most reactive, to astatine, the least reactive.
The colour of the element darkens going down the group from fluorine, which is pale yellow, to astatine, which is fl.
encyclopedia.farlex.com /Group+17+element   (199 words)

  
 Simple Science Wiki: Editing Periodic Table   (Site not responding. Last check: 2007-11-06)
The '''Periodic table of the chemical elements''' is a display of the known chemical elements, arranged by [[electron]] structure so that many chemical properties vary regularly across the table.
Elements adjacent to one another within a group have similar physical properties, despite their significant differences in [[mass]].
Despite their dramatic differences in mass within the group, their allotropes have very similar properties: They are all highly [[corrosioncorrosive]] (meaning they combine readily with [[metalmetals]] to form [[metal halide]] [[saltsalts]]); chlorine and fluorine are gases, while bromine is a very low-boiling [[liquid]]; chlorine and bromine at least are highly colored.
www.renaissoft.com /april/cgi-bin/wiki.pl?action=edit&id=Periodic_Table   (410 words)

  
 Ununbium   (Site not responding. Last check: 2007-11-06)
Ununbium (eka-mercury) is a chemical element in the periodic table that has symbol Uub and has the atomic number 112.
Element 112 is one of the superheavy elements; its longest-lived isotope has a mass of 285 and a half-life of 11 min.
This element was created by fusing a zinc atom with a lead atom by accelerating zinc nuclei into a lead target in a heavy ion accelerator.
www.worldhistory.com /wiki/U/Ununbium.htm   (195 words)

  
 [No title]
1 BOPDIR0070 A group of segments to give the identification of the reporting 0 BOPDIR0070 agent (generally the enterprise) or, possibly with a second 1 BOPDIR0070 occurrence, the identification of the enterprise on behalf of 2 BOPDIR0070 which the declaration is made.
1 BOPINF0070 A group of segments to give the identification of the reporting 0 BOPINF0070 agent (generally the enterprise) or, possibly with a second 1 BOPINF0070 occurrence, the identification of the enterprise on behalf of 2 BOPINF0070 which the declaration is made.
12 CONPVA0480 A group of segments specifying the quantity of the 0 CONPVA0480 allowance or charge with its measure unit specifier.
www.ifs.univie.ac.at /edi/oracle/upload/grutextnew.rec   (16172 words)

  
 Group 12 Element Encyclopedia Article, Definition, History, Biography   (Site not responding. Last check: 2007-11-06)
Looking For group 12 element - Find group 12 element and more at Lycos Search.
A Group 12 element is the series of elements in group 12 (IUPAC style) in the periodic table, consisting of transition metals which are zinc (Zn), cadmium (Cd), mercury (Hg), and ununbium (Uub).
Group 12 has the distinction of having the only two elements which are nominally in a liquid state at room temperature, mercury and ununbium, the latter being a synthetic element which has only existed in a laboratory.
www.artquilt.com /encyclopedia/Group_12_element   (377 words)

  
 DocBook Element Reference
Excluded elements cannot appear anywhere inside the element that excludes them, even in places that are ordinarily valid.
An element name in a content model indicates that an element of that type may (or must) occur at that position.
If element names in a content model are separated by commas, then they must occur in sequence.
www.docbook.org /tdg/en/html/ref-elements.html   (1667 words)

  
 Group 12 Element   (Site not responding. Last check: 2007-11-06)
On October 12, 2005, Air Liquide was granted approval to...
It is an extremely minute element of atmospheric air...
She'll also correlate depressive symptoms to imbalances in each element and present examples of depression with...
www.wikiverse.org /group-12-element   (191 words)

  
 Science News Online - Timeline - This Week - 11/15/97
Nebulium, the strange "element" that has been supposed to exist in such bodies as the great cloud of glowing gas in the star group of Orion, seems to be nothing but oxygen and nitrogen, of which we take in about a pint every time we breathe.
Following the discovery of helium, first as a strange line in the spectrum of the sun and then as an actual element on the earth, a mysterious group of lines was found in the spectra of some of the nebulae.
As most of the spectral lines are known to be due to certain elements, it was thought that the strange lines, of which one was green, might be due to an element as yet undiscovered.
www.sciencenews.org /pages/sn_arc97/11_15_97/timeline.htm   (415 words)

  
 Minerals of the Rogerley Mine
Quartz encrusted purple fluorite crystal group, 10 cm in size, collected from a large cavity in the Greenbank Vein, June, 2000.
Elevated REE levels were discovered in all samples from the mine, which included green fluorite from cavities in the flats, and purple, pale green, and yellow fluorite from the Weasel pocket in the Greenbank Vein.
Elements which showed particular enrichment were lanthanum, cerium, and yttrium, while europium levels were uniformly low compared to most other REEs.
www.ukminingventures.com /minerals.htm   (1276 words)

  
 Preparative methods (from oxygen group element) --¬† Encyclop√¶dia Britannica   (Site not responding. Last check: 2007-11-06)
The elements share certain general similarities in chemical behaviour, though they are clearly differentiated from one another chemically, and these similarities reflect common features of...
They are characterized as a group by having three electrons in the outermost parts of their atomic structure.
As the gas O2 it is in the lower atmosphere in the air that is breathed, and in the upper atmosphere as ozone (O3) it shields the Earth's surface from the sun's harmful ultraviolet rays.
www.britannica.com /eb/article-81041?tocId=81041   (797 words)

  
 Quiz 1   (Site not responding. Last check: 2007-11-06)
The reduction of the group table in to the irreducible representation.
More precisely, a representation is the mapping of group elements into the operators which act on a vector space.
An Abelian group is one in which all the elements commute: 5.
godel.ph.utexas.edu /~larry/P398Tf97/links/q1.html   (122 words)

  
 [No title]   (Site not responding. Last check: 2007-11-06)
element MAY contain a 'name' attribute, which sets the "nickname" to be associated with the JID, as determined by the user (not the contact).
element uses attributes to define a privacy rule type, a specific value to which the rule applies, the relevant action, and the place of the item in the processing order.
element qualified by the 'jabber:iq:privacy' namespace that contains an empty child element possessing a 'name' attribute whose value is set to the desired list name.
www.faqs.org /ftp/pub/pub/internet-drafts/draft-ietf-xmpp-im-22.txt   (10597 words)

  
 It's Elemental - The Element Magnesium
Although it is the eighth most abundant element in the universe and the seventh most abundant element in the earth's crust, magnesium is never found free in nature.
Magnesium was first isolated by Sir Humphry Davy, an English chemist, through the electrolysis of a mixture of magnesium oxide (MgO) and mercuric oxide (HgO) in 1808.
Magnesium burns with a brilliant white light and is used in pyrotechnics, flares and photographic flashbulbs.
education.jlab.org /itselemental/ele012.html   (356 words)

  
 Assignment 10: Super-element   (Site not responding. Last check: 2007-11-06)
Substructuring was used for the block of wood.
Substurcturing is a procedure that condenses a group of finite elements into one super-element.
This method is suitable for smaller models and has the advantage that the results for multiple super-elements can be assembled in post-processing.
www.louisville.edu /~acceci01/Assignment_10/GEN_report/GEN_report.html   (187 words)

  
 Element 12
ELEMENT STATEMENT: Preservice instruction is embedded in a group setting that provides both intellectual challenge and social support.
Preservice students who are engaged in cooperative learning, peer tutoring, heterogeneous grouping, simulations, and other instructional strategies in their teacher education coursework are more likely to use those strategies in their future classrooms.
Zeichner (1993) identifies the ability to form emotional bonds with students as a crucial trait of successful teachers of diverse groups of learners.
www.ncrel.org /sdrs/areas/issues/educatrs/presrvce/pe3lk15.htm   (635 words)

  
 [No title]   (Site not responding. Last check: 2007-11-06)
Course Description: Emphasis in this course is on the development of personal awareness in interpersonal communication and interaction and the understanding of group process as applied to various settings with teams, groups, and organizations.
Emphasis is placed on the concepts of communication, group norms, leadership, lead management, group problem solving/evaluation, conflict management and personal development/growth.
Outline of Course Content Science of group dynamics Methods of studying groups Group formation Development and socialization Group structure Conformity and influence Power Leadership and group performance Decision making in groups Conflict and conflict between groups X.
www.lmunet.edu /academics/registrar/SYL_sp04/GRAD/CG531spring2004.doc   (903 words)

  
 Re: questions about element declarations
From w3c-sgml-wg-request@www10.w3.org Tue Sep 24 12: 33:53 1996
When there are five tokens in the group, however, the corresponding regular expression will have 120 SEQ groups, and 600 states; a ten-element AND group produces 3.6 million SEQ groups and 36 million states.
I doubt many implementors are willing to bet that they'll never see a 10-element AND group.
lists.w3.org /Archives/Public/w3c-sgml-wg/msg01205.html   (702 words)

  
 DUBLIN CORE ELEMENT: COVERAGE
The Coverage element describes the spatial and temporal characteristics of the object or resource and is the key element for supporting spatial or temporal range searching on document-like objects that are spatially referenced or time-referenced.
This element may be used in describing resources from many different fields, e.g., archaeology, art, cartography, geography, geographic information systems, medicine, natural sciences, etc. - any field that deals with georeferenced information, spatial data, or time-referenced data.
where groupings 1 and 2 describe two distinct bounding rectangles of coverage that may be discontinuous.
alexandria.sdc.ucsb.edu /public-documents/metadata/dc_coverage.html   (1018 words)

  
 Chemical Element Groups Encyclopedia Article, Definition, History, Biography   (Site not responding. Last check: 2007-11-06)
Looking For chemical element groups - Find chemical element groups and more at Lycos Search.
Find chemical element groups - Your relevant result is a click away!
Look for chemical element groups - Find chemical element groups at one of the best sites the Internet has to offer!
www.quiltplace.com /encyclopedia/Category:Chemical_element_groups   (209 words)

  
 Group 12 element - TheBestLinks.com - Cadmium, Transition metal, TheBestLinks.com:Find or fix a stub, Zinc, ...   (Site not responding. Last check: 2007-11-06)
Group 12 element - TheBestLinks.com - Cadmium, Transition metal, TheBestLinks.com:Find or fix a stub, Zinc,...
Group 12 element, Cadmium, Transition metal, TheBestLinks.com:Find or fix a...
This page was last modified 18:50, 14 Jul 2004.
www.thebestlinks.com /Group_12_element.html   (111 words)

  
 [No title]   (Site not responding. Last check: 2007-11-06)
Two subsets are required: one for distributed (element) sources/sinks and the other for wells (point sources/sinks).
Distributed (Element) Sources/Sinks: This group of data is needed if and only if NSEL > 0.
MI = Global element number of the first element in the sequence.
www.csm.ornl.gov /~g4p/MurfMd/source.htm   (554 words)

  
 Use of uninitialized value in hash element
Hello group, I am new to Perl but not to programming.
The error we get is: Use of uninitialized value in hash element at /usr/local/webevent/wecore/bin/importer.pl line 941, <> chunk 6715.
There is one LDIF record that we think throws the error since this person never shows up in the application.
www.mail-archive.com /beginners@perl.org/msg66523.html   (314 words)

  
 PSIgate - Physical Sciences Information Gateway: Search/Browse Results   (Site not responding. Last check: 2007-11-06)
Acids, Bases and Salts' is chapter nine of Introduction to General, Organic and Biochemistry I and II by James K Hardy, from the Virtual Classroom of the Hardy Research Group, Department of Chemistry, University of Akron, USA.
Basic facts about each element are presented on the main page, and there are more comprehensive sections which cover the discovery, uses, and physical and chemical properties of each element.
The six elements of group 2 (group 2A) of the periodic table, the alkaline earth metals, are discussed in this resource, produced by the Third Millennium Online.
www.psigate.ac.uk /roads/cgi-bin/psibrowse.pl?limit=0&toplevel=chemist...   (1691 words)

  
 Ontario mineral literature
Ellsworth, H.V. (1927) Lyndochite, a new mineral of the euxenite-polycrase group from Lyndoch township, Renfrew County, Ontario.
Frondel, C. (1941) Constitution and polymorphism of the pyroaurite and sjoegrenite groups.
Gait, R.I.; Harris, D.C. (1980) Arsenohauchecornite and tellurohauchecornite: new minerals in the hauchecornite group.
www.ontariominerals.com /ontario_mineral_literature.htm   (8472 words)

  
 project_element
TASK: You have been asked to produce a picture book of a specific element for the age group of 10-12 years old.
Your first task will be to produce a cover page along with a table of contents and bibliography at the end of your book.
Where you can find the element and how is it used in life today.
nhs.needham.k12.ma.us /teacher_pages/j_fasano/project_element.htm   (254 words)

  
 The Hindu : The Hindu Crossword 7775
12 One who may put you in your place (5)
7 Element for an electrical connection to the ground (5)
Republication or redissemination of the contents of this screen are expressly prohibited without the written consent of The Hindu
www.hinduonnet.com /2003/09/12/stories/2003091200030901.htm   (253 words)

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