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10 Cards in this Set
- Front
- Back
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Element
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matter that is made of only 1 kind of atom
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molecule
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group of atoms that form the smallest unit of a substance (O2, H2O)
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Compound
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group of atoms with 2 or more different elements (CH4, H2O)
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Atom
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The smallest unit of matter
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Covalent Bond
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When electrons are shared between two atoms
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Ionic Bond
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force of attraction between oppositely charged ions
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Base
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compound capable of recieving a hydrogen ion from water
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Acid
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Compound capable of donating a hydrogen ion to water
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pH
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describes the acidity of a solution
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Hypothesis
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The predicted outcome of a scientific question; a testable explanation of observations
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