Any persistent attraction between atoms, ions, or molecules that enables the formation of chemical compounds.
Any element or compound that facilitates an increase in the speed of a chemical reaction but which is not consumed or destroyed during the reaction.
A measure of a material's ability to undergo significant plastic deformation before rupturing.
A measure of the total internal energy of a thermodynamic system.
The lowest temperature at which the vapors above a volatile material will ignite if given an ignition source.
A type of battery made up of electrochemicals with two different metals connected by a salt bridge.
The cleavage of a chemical bond by the addition of water.
A variant of a particular chemical element which differs in the number of neutrons present in the nucleus.
The SI unit of energy.
The lowest temperature in which a substance spontaneously ignites in a normal atmosphere without an external source of ignition, such as a flame or spark.
The unique arrangement of atoms or molecules in a crystalline liquid or solid.
Any named characteristic group, branch, or other part of a large molecule that may be identified within other kinds of molecules as well.
Any atom or molecule which can donate an electron pair to another atom or molecule.
Any region of an atom or molecule in which one or more electrons can be found.
A logarithmic scale used to specify the acidity or basicity of an aqueous solution.
An elementary particle and a fundamental constituent of matter.
Any atom, molecule, or ion that has at least one unpaired valence electron.
Any ionic compound composed of one or more anions and one or more cations.
The place where temperature and pressure of three phases are the same.
The smallest repeating unit of a crystalline lattice.
A measure of the resistance of a liquid to flow.
Describes the position of an electron in a three-dimensional space.
A form of ionizing, electromagnetic radiation between gamma and UV rays in the electromagnetic spectrum.
The quantifiable amount of product produced during a chemical reaction.
A chemical compound whose net charge is zero and hence is electrically neutral, but there are some positive and negative charges in it, due to the formal charge, owing to the partial charges of its constituent atoms.
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