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KOTELCHEMMODULE6
KOTEL CHEMISTRY MODULE 6 VOCABULARY
| Question | Answer |
|---|---|
| force that holds two atoms together | chemical bond |
| ion that has a positive charge | cation |
| ion that has a negative charge | anion |
| Compounds that contain ionic bonds | ionic compound |
| electrostatic force that holds oppositely charged particles together in an ionic compound | ionic bond |
| three-dimensional geometric arrangement of particles in which each positive ion is surrounded by negative ions and each negative ion is surrounded by positive ions; | crystal lattice |
| ionic compound whose aqueous solution conducts an electric current | electrolyte |
| energy required to separate one mole of the ions of an ionic compound | lattice energy |
| simplest ratio of ions represented in an ionic compound | formula unit |
| ion formed from only one atom | monatomic ion |
| ion made up of two or more atoms bonded together that acts as a single unit with a net charge | polyatomic ion |
| polyatomic ion composed of an element, usually a nonmetal, bonded to one or more oxygen atoms | oxyanion |
| all metal atoms in a metallic solid contribute their valence electrons to form a “sea” of electrons, and can explain properties of metallic solids | electron sea model |
| electrons involved in metallic bonding that are free to move easily from one atom to the next throughout the metal and are not attached to a particular atom | delocalized electrons |
| attraction of a metallic cation for delocalized electrons | metallic bond |
| able to be rolled or hammered into a thin sheet | malleable |
| able to be drawn into a thin wire | ductile |
| mixture of elements that has metallic properties | alloy |