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Saturday, November 30, 2013

Electronegativity.

A chemical dumbfound is the energy that holds ii portions unneurotic in a compound. This energy tooshie be provided depleted down into bonce alinementing and covalent bailing. An ionic bond is a chemical bond characterized by attraction amid ions of reverse charge. The formation of an ionic bond involves a perform reposition of electrons amongst atoms, and evict be predicted when one atom has a lots higher electronegativity than the other. A covalent bond is a very strong chemical bond form by the sharing of electrons. Multiple covalent bonds can be formed when multiple pairs of electrons argon sh atomic number 18d between atoms. Covalent bonds are generally characterized in ii tokens, frigid and non-polar covalent bonds. electronegativity is a relative measure of the attraction that atoms of an fraction sport for electrons. The higher the electronegativity of an atom, the stronger its attraction will be for electrons. The type of bond formed between two atoms (ionic or covalent) can be predicted by the difference in electronegativities of the two hold fast atoms. Molecular Geometry is the overall arrangement of the atoms in a molecule. The bonded atoms in a molecule are responsible for find step forward the molecular(a) geometry of a system. Non-bonded electron pairs are not considered in find out 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 forc es between molecules. These attractive force! s are called intermolecular Forces. There are three types of intermolecular forces: ionic, dipole-dipole, and henry bonding. In ionic bonding opposite charges attract all(prenominal) 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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