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22 Cards in this Set
- Front
- Back
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Mass Number
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equal to the number of protons and neutrons
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Matter
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anything that has mass and takes up space
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Liquid
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definite volum, but shape can vary
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Solid
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has a definite shape and volume. Particles stay close together
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Gas
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has no definite shape or volume. Particles are far apart and move in any direction
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Evaporation
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process where liquid turns into gas
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Condensation
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change from gas to liquid
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Atoms
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building blocks of matter
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Mixture
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two or more substances that are not chemically combined
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Solution
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when one sibstance is dissolved into another
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Homogenous Mixture
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a mixture that is evenly mixed throughout
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Heterogenous Mixture
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components are not mixed evenly, and each component reatains its own property
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Ions
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electrially charged atoms
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COvalent Bond
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a bond where the electrons are shared
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Protons
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particles that have a positive charge
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Neutrons
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have no electric charge
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electrons
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particles with negative charges
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nucleus
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the brain of the atom
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Element
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substance made up of one or more type of atom
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Atomic Number
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number of protons in an atom
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Element
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substance made up of one or more type of atom
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Atomic Number
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number of protons in an atom
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