Vocabulary
Chapter 15
Chapter 16
Chapter 17
Chapter 18
100
Boiling Point
what is the temperature at which the vapor pressure of a liquid is just equal to the external pressure on the liquid?
100
5
What is how many valence electrons does Arsenic have?
100
chemical formulas that show the arrangement of atoms in molecules
What is a structural formula?
100
a wetting agent such as soap or detergent
What is a surfactant?
100
stirring, heating, the type of solution it is
Name three things that influence the solution process?
200
triple point
what is the point on a phase diagram that represents the only set of conditions at which all three phases exist in equilibrium with one another?
200
valence electrons
determines the chemical properties of an element
200
a covalent bond in which one atom contributes both bonding electrons
What is a coordinate covalent bond?
200
inward force that tends to minimize the surface area of a liquid
What is surface tension?
200
solid, liquid, or gas
Solutions are homogeneous mixture that are what?
300
sublimation
What is the conversion of a solid to a gas or vapor with out passing through the liquid state?
300
the number of valence electrons
is related to the group numbers in a periodic table
300
structures that occur when it is possible to write two or more valid electron dot formulas
What is a resonance structure?
300
compounds that do not conduct and electric current
What is a nonelectrolyte?
300
the more particles in the solution the less likely the solution has to freeze
How can a solute change the freezing point of a solvent?
400
thermochemistry
What is the study of heat changes in chemical reactions?
400
octet rule
atoms tend to achieve electron stability of a noble gas
400
substances that contain one or more unpaired electrons
What is paramagnetic?
400
the water in a crystal
What is water of hydration?
400
freezing point
The _____-________ depression is the difference in temperature between the freezing point of a solution and that of the pure solvent
500
paramagnetic
What is a term used to describe a substance that shows a relatively strong attraction to an external magnetic field; these substances have molecules containing one or more unpaired electrons?
500
halide ions
ions that are produced when atoms of chlorine and other halogens gain electrons
500
total energy required to break the bond between two covalently bonded atoms
What is bond dissociation energy?
500
the scattering of visible light in all directions
What is the Tyndall effect?
500
small
Elevations of boiling points and depressions of freezing points are usually quite _____.