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24 Cards in this Set
- Front
- Back
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chemical bond
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created when two atoms share or give electrons to each other.
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infinite number of mixtures.
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anything you can combine is a mixture.
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synthesis
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when you take two elements or compounds and combine them to create a new compound.
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molecules
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used to describe atoms connected by chemical bonds.
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homogenous mixtures
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two or more substances that form a mixture.
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pure substance
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composition that doesn't vary from sample to sample.
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law of constant composition
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the observation of elemental composition of a pure compound that is always the same.
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liquid
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a distant volume or shape, it conforms to the volume or shape of it's container.
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alloys
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a mixture of two or more metals.
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solid
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matter that has both a definite shape/volume.
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reaction
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the chemical structure changed.
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gas
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has no fixed volume or shape.
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matter
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anything made up of atoms and molecules.
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states of matter
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the three forms that matter can assume.
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evaporation
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a phase change of a liquid to a gas.
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heat
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the degree of hotness.
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distillation
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a process in which one substance boiled away from another.
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filtration
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the separation of two substances.
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element
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consist of only one type of atom.
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solvent
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a substance to be dissolved.
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solution
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a special type of homogenous mixture in which one substance is dissolved into another substance.
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mixture
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consist of two or more different elements and/or compounds.
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compound
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atoms of different elements can join together in chemical reactions.
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chemical properties
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a property or characteristic of a substance that is observed during a reaction in which the chemical composition or identity of the substance is changed.
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