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Concept Cards

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Section 2.1 Parts of an atom Charge on electrons, location Charge on protons, location Charge on neutrons, location Charge on every element Examples of compounds 1 word for covalent bond Ionic bond

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When an element loses an e-, its charge becomes When an element gains an e-, its charge becomes Diagram of water molecule (energy level diagram) Diagram of NaCl

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Section 2.2 Diagram of water molecule with charges Polar (define) How does water become polar Equation for a solution Substances that dissolve in water Properties of water (list) Diagram cohesion Diagram adhesion

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Bond between two water molecules pH scale range (label acids, bases) Acid (define) Base (define)

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Section 2.3 4 carbon based macromolecules Carbohydrates (define) Lipids (define) Nucleic acid (define) Protein (define) Examples of carbohydrates (3) Examples of Lipids (3) Examples of nucleic acids (2) Examples of proteins

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Monomer (define, diagram, give example) Polymer (define, diagram, give example) What are carbohydrates made of? What are lipids made of? What are proteins made of? What are nucleic acids made of?

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Section 2.4 Parts of a chemical equation Activation energy (define) Exothermic reaction (break down and define) Endothermic reaction (break down and define)

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Section 2.5 Enzyme Catalyst (how does it function, what does it do) Substrate Things that enzymes need to function