Elemental Vocab
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| Law of Conservation of Mass | Matter cannot be created or destroyed.
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| Physical Change | Physical change rearranges molecules but doesn't affect their internal structures.
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| Chemical Change | Chemical change is any change that results in the formation of new chemical substances.
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| Element | A chemical element is a substance that cannot be broken down by chemical means.
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| Chemical Formula | A combination of symbols used to express the chemical composition of a substance.
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| Element Molecule | A molecule made up of two or more atoms of the same element.
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| Compound Molecule | A molecule made up of two or more atoms of different elements.
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| Chemical Reaction | A reaction that happens when two or more molecules interact and the molecules change.
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| Reactants | The elements and molecules that go into a chemical equation.
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| Products | The result of a chemical equation.
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| Coefficient | The number in front of the chemical formula. It represents the number of molecules.
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| Subscript | A subscript is a number written to the right of a chemical symbol and slightly below it. It tells how many atoms of that element are in the compound.
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| Ionic Compound | Ionic compounds are compounds where two or more ions are held next to each other by electrical attraction.
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| Convalent Compound | A covalent compound is a compound in which the atoms that are bonded share electrons rather than transfer electrons from one to the other.
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| Metallic Compound | A metallic compound is a compound that contains one or more metal elements.
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| Synthesis | The formation of a compound from simpler compounds or elements.
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| Decomposition | Disintegration of a nucleus that occurs spontaneously or as a result of electron capture.
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| Single Replacement | Single replacement is when one element replaces another element in a compound.
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| Double Replacement | During double replacement, the cations and anions of two different compounds switch places.
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