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Noah Vega
Chapter 6 Vocabulary
Term | Definition |
---|---|
electron dot diagram | a diagram of an atom, ion or molecule in which each dot represents a valence electron. |
ion | an atom or group of atoms that has a positive or negative charge. |
anion | an ion with a negative charge. |
cation | an ion with a positive charge. |
chemical bond | the force that holds atoms or ions together as a unit. |
ionic bond | the force that holds cations and anions together. |
chemical formula | notions that shows what elements a compound contains and the ratio of the atoms or ions of these elements in a compound. |
crystals | solids whose particles are arranged in a lattice structure. |
covalent bond | a chemical bond in which two atoms share a pair of valence electrons. |
molecule | a neutral group of atoms that are joined together by one or more covalent bonds. |
polar covalent bond | a covalent bond in which electrons are not shared equally. |
polyatomic ion | a covalently bonded group of atoms that has a positive or negative charge and acts as a unit. |
mettallic bond | the attraction between a metal cation and the shared electrons that surround it. |
alloy | a mixture of two or more elements, at least one of which is a metal, that has the characteristic properties of a metal. |