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Chemistry

PDF: Chapter 2: Chemical Bonds

Download 743 times Source: www.colby.edu // Topic: Chemistry File Size: 4289.70 kb // Total of Page: 13 Page(s) Last download by napatsap Last download on: 3 hours ago Share this info: Sample of page (click to enlarge) Short Desciption: Figure on the left taken from Zumdahl, Chemistry and the picture on the right Figure taken from. BLB Chemistry; The Central Science ... Content Inside: Ch 2 pg. 1 C h a p t e r 2: Chemical Bonds Compound: A substance composed of two or more elements united chemically in definite proportions. Molecule: A chemical combination of two or more atoms. Chemical bonds: A strong attractive force that exists between atoms in a molecule. Chemical reaction: Processes in which one or more substances are converted into other substances; also called chemical change. Example of a chemical reaction: 2 NO + O2 2 NO2 Figure on the left taken from Zumdahl, Chemistry and the picture on the right Figure taken from BLB Chemistry; The Central Science Ch 2 pg. 2 Valence Electrons: those electrons in the atoms outermost shell and are responsible for determining the atoms chemistry. Picture taken from Zumdahl, Chemistry The number of valence electrons that an atom has is equal to the group number. Noble Gases: Members of group 8A in the periodic table. Stable Valence Electron Configurations: Element 1st Energy

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