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One faraday of electricity corresponds to the charge on 6.022 x 1023 electrons, or 96,487.301 coulombs.

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Mole Fraction

The number of moles of a component of a mixture divided by the total number of moles in the mixture.

 

Electroplating

Plating a metal onto a (cathodic) surface by electrolysis.

Sigma Bonds

Bonds resulting from the head-on overlap of atomic orbitals, in which the region of electron sharing is along and (cylindrically) symmetrical to the imaginary line connecting the bonded atoms.

Reducing Agent

The substance that reduces another substance and is oxidized.

Aldehyde

Compound in which an alkyl or aryl group and a hydrogen atom are attached to a carbonyl group and a hydrogen atom are attached to a carbonyl group, general formula, O-R-C-H

 

Nonbonding Orbital

A molecular orbital derived only from an atomic orbital of one atom, lends neither stability nor instability to a molecule or ion when populated with electrons.

Ternary Compound

A compound consisting of three elements, may be ionic or covalent.

Alpha (a) Particle

Helium ion with 2+ charge, an assembly of two protons and two neutrons.

Phase Diagram

Diagram that shows equilibrium temperature-pressure relationships for different phases of a substance.

D-Orbitals

Beginning in the third energy level, aset of five degenerate orbitals per energy level, higher in energy than s and p orbitals of the same energy level.