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17 Cards in this Set
- Front
- Back
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Atom
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tiny building blocks of matter, made up of protons, neutrons, and electrons
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Atomic number
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the number of protons in an atom
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Compond
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atoms of more than on type of elements that are chemically bonded together
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Density
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measurement of the mass of an object
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Electron
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particle with a negative charge
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Element
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substance that is made of only one type of atom
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Heterogeneous mixture
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a mixture which is not mixed evenly and each component retains its own properties
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Homogeneous mixture
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a mixture which is eavenly mixed throuhout
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Ion
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electrically-charged atom whose charge results from an atom losing or gaining electrons
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Isotope
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atoms of the same element that have different numbers of nuetrons
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Mass number
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the number of protons plus the number of nuetrons in an atom
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Matter
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anything that has mas and takes up space
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Mixture
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composed of two or more substances that are not chemically bonded
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Molecule
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a group of atoms connected by covelent bonds
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Neutron
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partical with out an electric charge
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Proton
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particle that has an posotive charge
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Solution
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a mixture which is eavenly mixed throughout; also known as homogeneous mixture
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