Terms
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Matter | Is anything that has mass and occupies space.
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| Pysical Change | A process in which a substance changes its phyusical appearance but not its chemical composition.
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| Chemical Change | A process in wich a substance undergoes a change in chemical composition.
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| Pure Substance | A single kind of matter that cannot be separated into other kinds of matter by any physical means.
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| Mixture | A physical combination of two or more pure substances in which each substance retains its own chemical identity.
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| Heterogeneous Mixture | A mitxture that contains visibly diferent phases (parts), each of which has different properties.
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| Homogneous Mixture | A mixture that contains only one visibly distinct phase (part), which has uniform properties throughout.
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| Element | A pure substance that cannot be broken down into simpler pure substances by chemical means such as a chemical reaction, and electric current, heat or a beam of light.
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| Compound | A pure substance that can be broken down into two or more simpler pure substances by chemical means.
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| Atom | The smallest particle of an element that can exist and still have the properties of the element.
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| Molecule | a group of two or more atoms that functions as a unit because the atoms are tightly bound together.
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| Diatomic Molecule | A molecule that contains two atoms.
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| Triatomic Molecule | A molecule that contains three atoms.
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| Homoatomic Molecule | A molecule in which all atoms present are of the same kind.
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| Heteroatomic Molecule | A molecule in which two or more kinds of atoms are present.
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| Solid | Is the physical state characterized by a definite sape and a definite volume.
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| Liquid | Is the physical state characterized by an indefinite shape and a definite volume.
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| Gas | Is teh physical state characterized b an indefinite shape and indefinite volume.
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| Property | Is a distinguishing characteristic of a substance that is used in its identification and discription.
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