Terms starting with F
32 terms · page 1 of 2
f-Block Elements
The lanthanides and actinides, in which electrons fill the f orbitals of the antepenultimate shell.
States of Matter & Gas LawsFace-Centred Cubic
A cubic arrangement with particles at the eight corners and at the centre of each of the six faces.
Chemical Bonding & Molecular StructureFajans' Rules
A set of guidelines predicting how much covalent character an ionic bond will have.
Electrochemistry & RedoxFaraday Constant
The electric charge carried by one mole of electrons.
Electrochemistry & RedoxFaraday's First Law of Electrolysis
The mass of a substance liberated at an electrode is directly proportional to the quantity of electricity passed.
Electrochemistry & RedoxFaraday's Second Law of Electrolysis
When the same quantity of electricity passes through different electrolytes, the masses deposited are proportional to their chemical…
Biochemistry & Polymer ChemistryFatty Acid
A long-chain carboxylic acid, usually with an even number of carbon atoms.
Stoichiometry & Chemical ReactionsFermentation
The anaerobic enzymatic conversion of sugars into simpler products such as ethanol and carbon dioxide.
Foundations of ChemistryFiltration
A separation technique that removes suspended solid particles from a fluid by passing the mixture through a porous medium.
Analytical Chemistry & SpectroscopyFingerprint Region
The complex lower-frequency part of an infrared spectrum, below about 1500 cm⁻¹, unique to each compound.
Thermochemistry & ThermodynamicsFirst Law of Thermodynamics
The energy of an isolated system is constant; energy can be converted between forms but never created or destroyed.
Chemical Kinetics & CatalysisFirst-Order Reaction
A reaction whose rate is directly proportional to the concentration of a single reactant.
Analytical Chemistry & SpectroscopyFlame Test
A qualitative test in which a sample is heated in a flame and identified by the characteristic colour emitted.
Inorganic & Coordination ChemistryFlux
A substance added during smelting to combine with the gangue and form a fusible slag.
Solutions & Colligative PropertiesFoam
A colloidal system in which gas bubbles are dispersed throughout a liquid or solid medium.
Chemical Bonding & Molecular StructureFormal Charge
The hypothetical charge on an atom in a Lewis structure assuming all bonding electrons are shared equally.
Foundations of ChemistryFormula Unit
The simplest whole-number ratio of ions represented in the empirical formula of an ionic or network compound.
Foundations of ChemistryFractional Distillation
A distillation carried out through a packed or plated column that repeatedly vaporises and condenses the mixture to separate liquids with…
Analytical Chemistry & SpectroscopyFragmentation Pattern
The characteristic set of smaller ions produced when a molecular ion breaks apart in a mass spectrometer.
Electrochemistry & RedoxFree Energy and Cell Potential
The relation linking the Gibbs energy change of a cell reaction to the electromotive force it generates.
Thermochemistry & ThermodynamicsFree Energy and Equilibrium Constant
The relation connecting the standard Gibbs energy change of a reaction to its equilibrium constant.
Organic ChemistryFree Radical
A highly reactive species containing an unpaired electron.
Chemical Kinetics & CatalysisFree Radical Chain Mechanism
A chain mechanism in which the propagating intermediates are species bearing unpaired electrons.
States of Matter & Gas LawsFreezing Point
The temperature at which a liquid becomes a solid, numerically identical to the melting point of the pure substance.