Stack #93549
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| crytal lattice | a reapeatg three-demintional pattern.
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| ionic bond | the force of attraction between oppositely charged ions.
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| chemical bond | the force of attraction that holds two atoms together.
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| ion | charged particles that form during chemical changes.
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| ionic compound | compounds that contain ionic compounds.
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| covalent bond | the force of attraction between two nuclei of atoms where the electrons are shared by the atoms.
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| noble gases | the elements of Group 18 of the periodic table; unreactive nonmetals; 8 valence electrons.
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| halogens | elements of Group 17; very reactive nonmetals; valence electrons.
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| Allkaline-earth metals | the elements of Group; they are very reactive metals but are less reactivdee than alkali metals; 2 valence electrons.
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| alkial metals | the elements of Group 1; they are the most reactve metals; 1 valence electron.
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| compounds | a pure substance composed of two o more elements that are combined.
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| energy levels | regions around the nucleus of an atom.
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| valence electrons | the electrons on the outermost energy level of an atom.
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| temperature | a measure of how hot or cold somethig is.
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| density | the amount of matter in a given space or volume; the mass per unit volume of a substance.
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| mass | the amount of matter something is made up of.
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| volume | the amount of space something occupies
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| area | the measure of how mucn surface area an object has.
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| meter | the basic SI unit of length.
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Created by:
MadelynI