Major Points, Lecture 4 - BSCI105 Fall 2015 54xx Major...

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BSCI105, Fall 2015, 54xx Major Points, Lecture 4 Atoms and Molecules (Chapter 2) Hydrogen Bonds and Chemistry in Water (Chapter 3) 1. What are three types of molecular bonds we will be discussing? 2. What property of elements determines what type of bond any two elements are likely to form? 3. What type of bond will form between atoms with similar electronegativities? 4. What type of bond will form between atoms with substantially different electronegativities? 5. What type of bond will form between atoms with extremely different electronegativities, especially if one element has 1 valence electron and the other element has 7 valence electrons? 6. What force holds atoms of ionic compounds together? 7. What force holds neighboring molecules with polarity together? 8. What are five “emergent properties” of water that are a result of hydrogen bonding? How would you briefly describe each property? surface tension Water molecules stay close to each other as a result of hy-drogen  bonding, causes surface tension , adhesion- water is attracted to other molecules, and sticks
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