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Ability of a substance to exhibit amphiprotism by accepting donated protons.

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Continuous Spectrum

Spectrum that contains all wave-lengths in a specified region of the electromagnetic spectrum.

Metallic Bonding

Bonding within metals due to the electrical attraction of positively charges metal ions for mobile electrons that belong to the crystal as a whole.

Formula Weight

The mass of one formula unit of a substance in atomic mass units.

 

Chain Termination Step

The combination of two radicals, which removes the reactive species that propagate the change reaction.

Ligand

A Lewis base in a coordination compound.

Autoionization

An ionization reaction between identical molecules.

Chemical Periodicity

The variations in properties of elements with their position in the periodic table.

Standard Entropy

The absolute entropy of a substance in its standard state at 298 K.

Zone Refining

A method of purifying a bar of metal by passing it through an induction heater, this causes impurties to move along a melted portion. This method applies the fact when a metal crystallizes on cooling, impurities are automatically expelled as they do not form part of the crystal.

Nuclear Reactor

A system in which controlled nuclear fisson reactions generate heat energy on a large scale, which is subsequently converted into electrical energy.