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Sociological Images is a blog that offers image-based sociological commentary and is one of the most widely read social science blogs. [1] Updated daily, it covers a wide range of social phenomena. The aim of the blog is to encourage readers to develop a "sociological imagination" and to learn to see how social institutions, interactions, and ...
Alexander Wendt is well known for his writings on constructivist political theory, in which collective identity play a prominent role as identity is a major determining factor in the role of states in the international order. His approach focuses on group and individual identity, at the domestic and international level.
This image is a derivative work of the following images: File:Pi-bond.jpg licensed with GFDL 2005-12-01T13:40:48Z JoJan 307x139 (26181 Bytes) Pi-bond Originally from de.wikipedia
A typical triple bond, for example in acetylene (HC≡CH), consists of one sigma bond and two pi bonds in two mutually perpendicular planes containing the bond axis. Two pi bonds are the maximum that can exist between a given pair of atoms. Quadruple bonds are extremely rare and can be formed only between transition metal atoms, and consist of ...
Social comparison theory – suggests that humans gain information about themselves, and make inferences that are relevant to self-esteem, by comparison to relevant others. Social exchange theory – is an economic social theory that assumes human relationships are based on rational choice and cost-benefit analyses. If one partner's costs begin ...
Pauling invoked the principle of electroneutrality in a 1952 paper to suggest that pi bonding is present, for example, in molecules with 4 Si-O bonds. [8] The oxygen atoms in such molecules would form polar covalent bonds with the silicon atom because their electronegativity (electron withdrawing power) was higher than that of silicon.
Celebrate Pi Day (3.14) this March 14 with some extra laughs.
In chemistry, π-effects or π-interactions are a type of non-covalent interaction that involves π systems.Just like in an electrostatic interaction where a region of negative charge interacts with a positive charge, the electron-rich π system can interact with a metal (cationic or neutral), an anion, another molecule and even another π system. [1]