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Ch. 11 Intermolecular Forces and Liquids and Solids

Across
The weakest intermolecular force.
Intermolecular attraction between like molecules.
The temperature at which a given solid will melt.
Electrons in this type of crystal are delocalized in the entire crystal. low melting points but high conductors of heat and electricity.
made up of covalent bonds, and they also have high melting points but little conduction of heat.
use both Waals forces and hydrogen bonding. Low melting point and also bad conductor of heat and electricity.
Attractive forces between molecules.
Does not have three-dimensional structure of atoms like the other solids.
The amount of energy required to stretch or increase the surface a liquid by a unit area.
Above this temperature, a gas cannot be liquefied by pressure alone.
The temperature and pressure at which the solid, liquid, and vapor phases of a pure substance can coexist in equilibrium.
Attract an ion and a polar molecule to each other.
They are compose of charged species, and anions and cations are generally quite different in size.
Down
Attraction between unlike molecules.
Measure of a fluid's resistance to flow.
The number of atoms surrounding an atom in a crystal lattice.
Hold atoms together in a molecule.
Change from gas to liquid.
Made of inorganic materials in a rigid state with our being crystalized. (transparent)
The most efficient arrangement of spheres.
When anything solid turns into a gas without first becoming liquid.
The basic repeating structural unit of a crystalline solid.