Main Group Elements Periodic Table
8.two: What are the master group elements and why should anyone care about them?
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What are the chief grouping elements?
The main group elements are those in the southward and p blocks of the periodic tabular array, as shown in Figure \(\PageIndex{1}\).
Why should anyone care well-nigh the principal group elements?
In addition to existence interesting in their own right as primal constituents of ordinary matter with a rich and interesting chemistry, the principal group elements are of tremendous societal importance. Equally shown in Table \(\PageIndex{i}\), thirteen of the top 25 chemicals produced in the United States are inorganic primary group compounds.
Table \(\PageIndex{i}\). Top 25 industrial chemicals produced in the US in 2002.ii
This chapter's arroyo to the descriptive chemistry of the principal group elements
The aim of this chapter is to innovate you lot to the descriptive chemistry of the main group elements. In full general descriptive chemistry involves presenting information almost the chemistry of the elements, as opposed to describing more primal concepts, theories, and models. Nevertheless, in presenting this data no endeavor will be made to be exhaustive; instead the focus will be on describing of import or characteristic features of the chemistry. Moreover, as intimated by the structures shown in Scheme \(\sf{\PageIndex{I}}\)), the bonds which hold chief group compounds together practise not always obey the rules of developed in typical general and organic chemistry courses. Consequently, every bit opportunity presents itself this description of the chemistry of the elements will to also be used to enlarge your understanding of what types of chemic structures are possible or even common.
Scheme \(\sf{\PageIndex{I}}\). Chlorine atoms bridge Al centers in aluminum chloride dimer at left while the structure of pentaborane nonahydride shown at right includes iv B-H-B bridge bonds arranged effectually the open face up of a cluster of 5 B atoms held together by cluster bonds.
The elements will be considered past group later an introductory department that reviews several concepts that assistance to make sense of periodic trends in the descriptive chemical science of these elements.
Correspondent
Stephen Contakes, Westmont College
The unknown authors of Tabular array \(\PageIndex{1}\) and the periodic tabular array portion of Figure \(\PageIndex{1}\).
Unless otherwise noted, all line drawings on this page are by Stephen Contakes and licensed under a Creative Eatables Attribution iv.0 International License.
Main Group Elements Periodic Table,
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