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17 Cards in this Set
- Front
- Back
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Atom
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The smallest particle of an element that can exist either alone or in combination.
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Calorie
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The amount of heat energy required to raise the temperature of 1 g of water by 1°C; also the amount of heat energy that 1 g of water releases when it cools by 1°C. The Calorie (with a capital C), usually used to indicate the energy content of food, is a kilocalorie.
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Chemical Bond
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An attractive force that holds together the atoms, ions, or groups of atoms in a molecule or compound.
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Chemical Reaction
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Chemical transformation or change; the interaction of chemical entities.
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Compound
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A substance consisting of two or more elements in a fixed ratio.
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Covalent Bond
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A type of strong chemical bond in which two atoms share one or more pairs of valence electrons.
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Element
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The smallest particle of a substance that retains all the properties of the substance and is composed of one or more atoms.
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Homeostasis
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An organism's ability to regulate their internal conditions to maintain life
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Hydrogen Bond
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A type of weak chemical bond formed when the slightly positive hydrogen atom of a polar covalent bond in one molecule is attracted to the slightly negative atom of a polar covalent bond in another molecule.
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Hydrophilic
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Having an affinity for water.
Water- loving |
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Ionic Bond
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A chemical bond resulting from the attraction between oppositely charged ions.
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Molecule
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Two or more atoms held together by covalent bonds.
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Nutrient
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A substance that is needed by the body to maintain life and health.
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Polarity
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A lack of electrical symmetry in a molecule. Charge differences on opposite ends of a structure.
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Solute
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A substance that is dissolves in a solution
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Solution
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A liquid that is a homogeneous mixture of two or more substances.
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Solvent
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The dissolving agent of a solution. Water is the most versatile solvent known.
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