chapter 3 Key concepts

chapter 3 Key concepts - Water molecules are polar having...

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\ Key concepts Carbon, hydrogen, oxygen, and nitrogen are the most abundant elements in living things The chemical properties of an atom are determined by its highest energy electrons, valence electrons A molecule consists of atoms joined by covalent bonds, Other important chemical bonds included ionic bonds Hydrogen bonds and van der waals interactions are weak attractions The energy of an electron is transferred in a redox action
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Unformatted text preview: Water molecules are polar, having regions of partial position and partial negative charge that permit them to form hydrogen bonds with one another and with other charged substances Acids are hydrogen ion donors, bases are hydrogen ion acceptors The ph scale is convenient measure of the hydrogen ion concentration of a solution...
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