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21 Cards in this Set
- Front
- Back
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Atom
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Smallest unist of matter that cannot be broken by chemical means.
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Electron Cloud
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region of an atom where electrons are most likely to be found.
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Proton
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Positively charged Particle
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Element
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substance made of only one kind of atom and is a pure substance.
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Isotope
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Different number of neutrons compared to protons.
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Chemical Bond
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A Force that joins atoms
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Compound
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Substance made of the joined atoms of two or more different elements.
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Molecule
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Group of atoms held together by covalent bonds
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Nonpolar molecules
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equal distribution of electrical charge.
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Hydrogen Bond
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Weak chemical attraction between polar molecules
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Ion
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Atom or molecule that has gained or lost one or more electrons.
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Covalent Bonds
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Share Electrons
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Cation
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Positive Ion
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Anion
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Negative Ion
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Cohesion
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Attraction between substances of the same kind
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Adhesion
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Attraction between different substances.
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Solution
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Mixture in which one or more substances are evenly distributed in another substance.
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Acid
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Compounds that form hydrogen ions when dissolved in water.
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Bases
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Compounds that reduce the concentration of hydrogen ions in a solution
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Polarity
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Enables many substances to dissolve in water
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Surface Tension
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The surface of the water links together by hydrogen bonds.
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