Lecture 1

2 Pages

Course Code
CHEM 141
Alexander Wurthmann

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8/26/13  Electrons are everywhere  Atoms are made up of protons, neutrons, & electrons (e-) o e- are transferable, can add/remove/share Thinking Time  What is a bond?  Cooperative experience by sharing e- (an attraction between 2 atoms causing them to share electrons)  How can we predict how many bonds an atom can form?  The # of vacancies in the valance shell (refer to the periodic table)  What is a double bond?  2 pairs of e- being shared, both atoms contributes 2 e-  (oxygen is double bonded with carbon)  What is electronegativity?  An atom’s ability to polarize a bond, an electronegative atom pull
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