electrostatic force that holds oppositely charged particles together
What is an ionic bond?
100
chemical bond that results from the sharing of valence electrons
What is a covalent bond?
100
the number in front of the reactant or product
What is the coefficient?
100
SI unit of molar mass
What is grams/mole?
100
The study of quantitative relationships between amounts of reactants used and products formed by a chemical reaction.
What is stoichiometry?
200
ionic compound whose aqueous solution con- ducts an electric current
What is an electrolyte?
200
Any acid that contains hydrogen and an oxyanion
What is an oxyacid?
200
A process by which the atoms of one or more substances are rearranged to form different substances
What is a chemical reaction?
200
6.02 x 10^23
What is Avogadro's number?
200
amount calculated by stoichiometry
What is theoretical yield?
300
energy required to separate one mole of the ions of an ionic compound
What is lattice energy?
300
A kind of bond in which there is unequal sharing of electrons
What is polar bond?
300
A solution in which the solvent is water
What is an aqueous solution?
300
the mass in grams of one mo le of any pure substance
What is molar mass?
300
measured experimentally
What is actual yield?
400
A force that holds 2 atoms together
What is chemical bond?
400
Reactions occur when a greater amount of energy is required to break the exist- ing bonds in the reactants than is released when the new bonds form in the product molecules
What is endothermic?
400
a chemical reaction in which two or more substances react to produce a single product
What is synthesis?
400
The percent by mass of each e lement in a compound
What is percent composition?
400
The ratio of the actual yield to the theoretical yield expressed as a percent.
What is percent yield?
500
simplest ratio of the ions represented in an ionic compound
What is a formula unit?
500
Four electrons are shared
What is double covalent bond?
500
A reaction in which the atoms of one element replace the atoms of another element in a compound
What is single replacement?
500
The formula with the smallest whole-number mole ratio of the elements.
What is empirical formula?
500
Ratio between the numbers of moles of any two substances in a balanced chemical equation