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Name: ___________________________________________ Class: ________________ Date: ______________________ What are the 3 particles that make up an atom? What are their charges (positive, negative, neutral)? ___________________________________________________________________________________________ ___________________________________________________________________________________________ ___________________________________________________________________________________________ Define (in terms of # of protons, neutrons, and/or electrons): Atomic Number and Atomic Weight. ___________________________________________________________________________________________ ___________________________________________________________________________________________ Use the following information about Carbon to determine the number of protons, neutrons and electrons in a neutral atom of Carbon: Atomic Weight = 12, Atomic Number = 6 # protons: __________ # neutrons: __________ # electrons: __________ What is the difference between ionic and covalent bonding? ___________________________________________________________________________________________ ___________________________________________________________________________________________ What type of bonding (or “attraction”) allowed me to “float” a paperclip on top of water? Why does a water molecule have “partial charges?” What do we call this? Draw a few water molecules to show how this bonding occurs between water molecules. According to the pH scale, what values define an acid? A base? Neutral? ___________________________________________________________________________________________ ___________________________________________________________________________________________ Complete the table below on Organic Compounds: Organic Compound Building Blocks Important function Example Glucose Amino Acids Fat DNA, RNA What two elements BOTH must be found in organic compounds? Give me one example of an organic and inorganic compound. ___________________________________________________________________________________________ ___________________________________________________________________________________________ Large organic molecules are called _______________. Polymers are built from smaller subunits called _____________. What are isomers? Animals store their carbohydrate energy as __________________. Both starch & glycogen are made of monomers of ____________ or glucose. Describe cellulose fibers & tell where in plants it is found. Cellulose makes up __________ in plants and serves as dietary __________ in animals. How are cows able to digest cellulose? Since sugars dissolve in water, they are said to be _____________ or water-loving. What functional group makes them water soluble? Lipids are hydrophobic. What does this mean?
