A&P CH2 images

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Structure of a representative atom

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Elements in the human body and their positions in the periodic table

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Suspension: Particles large and usually visible, settle out

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Colloid: two distinct components; particles small and not visible; do not settle out

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Solution: Particles extremely small and not visible; do not settle out; one component dissolves in the other component

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Formation of a covalent bond

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Electron sharing in covalent bonds

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Formation of an ionic bond

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Activation energy

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The effect of enzymes on activation energy