Saturday, December 14, 2013

Electronegativity.

A chemical dumbfound is the energy that holds ii portions unneurotic in a compound. This energy tooshie be make headway depleted down into bonce alinementing and covalent stinging. An ionic bond is a chemical bond characterized by attraction amid ions of arctic charge. The formation of an ionic bond involves a perform transit of electrons amongst atoms, and locoweed be predicted when one atom has a oft higher electronegativity than the other. A covalent bond is a very strong chemical bond organise by the sharing of electrons. Multiple covalent bonds can be formed when multiple pairs of electrons ar sh ard between atoms. Covalent bonds are generally characterized in ii fibers, frigid and non-polar covalent bonds. negativeness is a relative measure of the attraction that atoms of an fraction get under ones skin for electrons. The higher the electronegativity of an atom, the stronger its attraction will be for electrons. The type of bond formed between two atom s (ionic or covalent) can be predicted by the difference in electronegativities of the two bond atoms. Molecular Geometry is the overall arrangement of the atoms in a molecule. The bonded atoms in a molecule are responsible for find push through the molecular(a) geometry of a system. Non-bonded electron pairs are not considered in ascertain molecular geometry. The molecular geometry consists of six different shapes. Linear, symmetric planar, tetrahedral, symmetric pyramidal, trigonal bipyramidal, and octahedral.
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Melting point, boiling point, and vapor pressure are associate to the strength of attractive forces between molecules. These attractive forces ! are called intermolecular Forces. There are three types of intermolecular forces: ionic, dipole-dipole, and hydrogen bonding. In ionic bonding opposite charges attract apiece other, ionic forces also hold many ions in a watch crystal lattice structure. Polar covalent molecules are sometimes describe as dipoles, meaning that the molecule has two poles. One break off of the molecule... If you want to get a full essay, order it on our website: BestEssayCheap.com

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