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Potentials, E, of half-reactions as reductions versus the standard hydrogen electrode.

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Ampere

Unit of electrical current, one ampere equals one coulomb per second.

 

Secondary Voltaic Cells

Voltaic cells that can be recharged, original reactanats can be regenerated be reversing the direction of the current flow.

Atomic Number


Integral number of protons in the nucleus, defines the identity of element.
 

Mass Spectrometer

An instrument that measures the charge-to-mass ratio of charged particles.

Amine Complexes

Complex species that contain ammonia molecules bonded to metal ions.

Geometrical Isomers

Compounds with different arrangements of groups on either side of a bond with restricted rotation, such as a double bond or a single bond in a ring, for example cis-trans isomers of certain alkenes. Stereoisomers that are not mirror images of each other, also known as position isomers.

Cyclotron

A device for accelerating charged particles along a spiral path.

Dipole

Refers to the separation of charge between two covalently bonded atoms.

Cathode

Electrode at which reduction occurs in a cathode ray tube, the negative electrode.

Lanthanide Contraction

A decrease in the radii of the elements following the lanthanides compared to what would be expected if there were no f-transition metals.