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Danielle Easterday
Chapter 6 Vocabulary
Term | Definition |
---|---|
Electron Dot Diagram | A model of an atom in which each dot represents a valence electron. |
Ion | An atom or group of atoms that has a positive or negative charge. |
Anion | Is an ion with a negative charge. |
Cation | An ion with a positive charge. |
Chemical Bond | Is the force that holds atoms or ions together as a unit. |
Ionic Bond | Is the force that holds cations and anions together. |
Chemical Formula | Is a notation that shows what elements a compound contains and the ratio of the number of these elements in the compound. |
Crystals | Solids whose particles are arranged in a lattice structure. |
Covalent Bond | Is a chemical bond in which two atoms share a pair of valence electrons. |
Molecule | Is a neutral group of atoms that are joined together by one or more convalent bonds. |
Polar Covalent Bond | A convalent bond in which electrons are not shared equally. |
Polyatomic Ion | A convalently bonded group of atoms that has a positive or negative charge and acts as a unit. |
Metallic Bond | Is the attraction between a metal cation and the shared electrons that surround it. |
Alloy | Is a mixture of two or more elements, at least one of which is a metal. |