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Chapter 6 Vocab
Term | Definition |
---|---|
Electron Dot Diagram | A model of an atom that represents a valence electron |
Ion | An atom that has a positive or a 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 |
Ionic Bond | A force that hold cations and anions together |
Chemical Formula | A notation that shows what elements a compound contains and the ratio of the atoms or ions in 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 is a metal |