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13 Cards in this Set
- Front
- Back
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Chemical formula
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chemical shorthand that uses symbols to tell what elements are in a compound & their ratios.
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chemically stable
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describes and atom whose outer energy level is completely filled with all the e- allowed in that level.
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chemical bond
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force that holds atoms together in a compound.
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ion
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charged particle that has more or fewer electrons than protons.
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ionic bond
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attraction formed between oppositely charged ions in an ionic compound.
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molecule
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the smallest particle in an element or compound.
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polar molecule
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molecule with a slightly positive end & a slightly negative end as a result of e- being shared.
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nonpolar molecule
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molecule that shares e- equally & does not have oppositely charged ends.
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covalent bond
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attraction formed between atoms when they share e-.
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binary compound
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compound that is composed of 2 elements.
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oxidation number
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positive or negative number that indicates how many e- an atom has gained, lost, or shared to become stable.
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poly atomic ion
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positely or negatively charged, covalently bonded group of atoms.
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hydrate
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compound that has water chemically attatched to its ions & written into its chemical formula.
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