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Hydrogen bonds
-When oxygen and nitrogen atoms are covalently bonded to hydrogen they pull the shared electrons to their larger nucleus
-This makes the molecule slightly polar
Hydrogen bond properties
-Weak
-Provide stability in large molecules such as DNA
-Responsible for water’s unique properties
Making and breaking bonds
-Water is used as a reactant in bond making and breaking
-Condensation reactions make a bond by removing water
-Hydrolysis reactions break a bond adding water
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