126 cards
Formula unit represents ____.
____ represents the empirical formula of an ionic compound, since they do not form true molecules, rather a coordinated lattice.
____ weight is the term used for ionic compounds "molecular" weight as no molecule actually exists, its just a lattice structure.
____ compounds form from elements of similar electronegativity.
Atomic weight is ____.
____ is a weighted average of the masses of the naturally occurring isotopes of an element, not their weights.
____ is the sum of the atomic weights of all the atoms in a molecule, and its units are atomic mass units (amu) per molecule.
Molecular weight is the sum of the atomic weights of all the atoms in a molecule, and its units are ____.
Molecular weight is ____, and its units are atomic mass units (amu) per molecule.
____ of an ionic compound is found by adding up the atomic weights of the constituent ions according to its empirical formula, and its unit…
A ____ is a quantity of any substance (atoms, molecules, dollar bills, kittens—anything) equal to the number of particles that are found in…
A mole is ____.
Number of particles in Carbon is defined as ____.
Avogadro's number is ____.
____ number is 6.022 × 10 23 mol –1 .
One mole of a compound has a mass in grams equal to ____.
One mole of a compound has ____ equal to the molecular or formula weight of the compound in amu.
Molecular weight is measured in ____.
Molar mass is measured in ____.
Concept of equivalents: ____
Concept of ____: How many moles of the thing we are interested in (protons, hydroxide ions, electrons, or ions) will one mole of a given co…
Gram equivalent weight and can be calculated from:____
The n represents ____.
If the amount of a compound in a reaction is known and we need to determine how many equivalents are present, use the equation:____
Under what condition do you use this equation? - ____.
____ is a measure of concentration, given in the units .
Normality ( N ) is a measure of concentration, given in the units ____.
The n is ____.
Molarity equation is ____.
____ equation is moles divided by liters.
Normality equation is ____.
____ equation is molarity times number of protons, hydroxide ions, electrons, or ions produced or consumed by the solute.
In acid–base chemistry, the gram equivalent weight represents the mass of acid that yields one mole of ____.
Skeletal representations of compounds are called ____ .
____ representations of compounds are called structural formulas .
____ states that any pure sample of a given compound will contain the same elements in an identical mass ratio.
The law of constant composition states ____.
The ____ gives the simplest whole-number ratio of the elements in the compound.
The ____ gives the exact number of atoms of each element in the compound.
The ____ of an element (by mass) is the percent of a specific compound that is made up of a given element.
A ____ reaction has two or more reactants forming one product.
A combination reaction ____.
A ____ reaction is a reaction in which a single reactant breaks down into two or more products.
A decomposition reaction is ____.
Decomposition reaction usually occurs as a result of ____.
The ____ component of sunlight has sufficient energy to catalyze certain chemical reactions.
For silver chloride, exposure to ____ results in a decomposition reaction that yields a rust-colored product that consists of separated sil…
For silver chloride, exposure to sunlight results in a ____ reaction that yields a rust-colored product that consists of separated silver a…
A ____ reaction is a special type of reaction that involves a fuel—usually a hydrocarbon—and an oxidant (normally oxygen).
A combustion reaction is a special type of reaction that involves ____.
In its most common form, reactants of combustion reaction form ____.
In its most common form, reactants of ____ form the two products of carbon dioxide and water.
A ____ reaction occurs when an atom or ion in a compound is replaced by an atom or ion of another element.
A single-displacement reaction occurs when ____.
In ____ reactions, elements from two different compounds swap places with each other to form two new compounds.
In double-displacement reactions, ____
Double replacement reactions are also called ____ reactions.
____ reactions are also called metathesis reactions.
Double replacement reaction occurs when one of the products is removed from the solution as ____
____ reaction occurs when one of the products is removed from the solution as a precipitate or gas or when two of the original species comb…