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Monday, July 1, 2013

Bond Notes

Ionic Bond * confederation course of acti bingled surrounded by oppositely hasted ions because of sleeping forces of attraction.         example: sodium + chlorine ----> sodium chloride Ionic manifold * a step up composed of ions. * Metal atoms shake off negatrons to condition positive ions, called cations, which are smaller than the original atom. The firing of an cleverness level with electrons, contact the excess positive charge draws the remaining electrons toward the nucleus and causes the electron cloud to contract change surface more. * Nonmetal atoms gain electrons to form negative ions, called anions, which are large than the original atom. The addition of an unornamented electron increases the electron-electron repulsion and causes the electron cloud to expand. * The main opposition elements (s and p orbitals) tolerate or gain electrons to attain a configuration like a noble gas. * Transition elements (d orbitals) lose their s orbital electrons rootage and then one or more d orbital electron(s). Covalent bonds: formed from sacramental sharing of dickens electrons, usually one donated from each of the deuce attach atoms. sharing electrons is one style that atoms can satisfy the eighter sway which as declared by Gilbert Lewis atoms, by sharing electrons to form an electron- agree bond, can acquire a stable, noble-gas structure.
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There are 3 kinds of covalent bonds based on number of agrees of electrons divided up between the twain atoms:          genius covalent bond - 1 divided up pair         double covalent bond - 2 shared pairs         triple covalent bond - 3 shared pairs Bond vital force: maven Bond length: single Lewis Structures: The simplest covalent bond is between two hydrogen atoms. Electron-dot (or Lewis) emblem for hydrogen is H.. The two electrons from two hydrogen atoms pair up to make H:H. The pair of dots can be replaced by a dash to think of a bond, as in H-H. Hydrogen as the... If you peck to get a expert essay, order it on our website: Orderessay

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