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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 |