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18 Cards in this Set
- Front
- Back
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Valence electron
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the electrons that have the highest energy
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Electron dot diagram
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the symbol of an element surronded by dots that represent valence electrons
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Chemical bond
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the force of attraction that holds atoms together
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Ion
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an atom or a group of atoms that has an electric charge
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Polytomic ion
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ions that are made of more than 1 atom
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ionic bond
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the attraction between 2 oppositley charged ions
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ionic compound
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the compound made from an ionic bond
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chemical formula
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a group of symbols that show the ratio of elements in a compound
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Subscript
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tell the ratio of elements in a compound
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crystal
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a three dimensional arrangment formed from ions
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Covalent bond
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the chemical bond formed when 2 atoms share electrons
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molecular compound
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a compound made up of molecules
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molecule
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a neutral group of atoms joined by covalent bonds
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double bond
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when atoms share 2 pairs of electrons
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TRIPLE BOND
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when the atoms share 3 pairs of electrons
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polar bond
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a covalent bond in which electrons are shared unequally
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nonpolar bond
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a covalent bond in which electrons are shared equally
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Metallic bond
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an attraction between a positive metal ion and the electrons surrounding it
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