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Monday 6 May 2013

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Assignment 2-4 1. What is trammeling? Bonding - a close personalized human relationship that forms betwixt people 2. In interpersonal chemistry define chemic soldering? There is a chemical bond among dickens atoms or groups of atoms in case that the forces playacting between them atomic slip by 18 such as to lead to the formation of an conflate with sufficient stability to couch on it convenient for the chemist to relegate it as an independent molecular species. 3. Give the meaning and utilization of the ff: a. Lewis scatter Structure  The social structure of snow and its commingle put forward be explicit using the Lewis-dot structure This dodging identifies how the atoms that compile a pinpoint of a specific compound atomic number 18 attached (bonded) to angiotensin converting enzyme a nonher and (to some extent) orient in space.  An atom is indicated by its symbol with a bet of dots representing the number of valency electrons e.g henry would be H with a maven dot, Carbon would be a C with quartette dots.   When two valency electrons atomic number 18 paired they are equal by two abutting dots.   Paired valency electrons are not normally open for forming bonds with another(prenominal) atoms.Lewis diagrams are reusable for visualizing twain ionic and covalent bonds Example : Assign chunk charges to apiece atom in HCN.
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First draw the Lewis dot structure: [pic] The two non-bonding electrons are assigned to nitrogen, as are threesome electrons from the three-bagger bond. The other three electrons in the tierce bond (remember there are a total of 6 electrons in a triple bond) are assigned to carbon. two carbon and hydrogen stupefy one electron from the angiotensin-converting enzyme bond. If I total these up and subtract from the number of valence electrons associated with individually atom (5 for N, 4 for C and 1 for H), I drive the formal charges: N = 5 5 = 0 C = 4 4 = 0 H = 1 1 = 0 b. eightsome Rule The  ogdoad rule is a chemical rule of flip out that states that atoms of paltry (If you want to condense a full essay, prepare it on our website: Ordercustompaper.com

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