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Chapter 6 Vocab
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 | notation that shows what elements a compound contains and the ratio of the atoms or ions of these elements in the 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 |
metallic 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 metal, that has the characteristic properties of a metal |