A heavy, colorless, chemically inactive, monatomic gaseous element used for filling radio, television, and luminescent tubes. Symbol: Xe, at. wt.: 131.30, at. no.: 54.
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Coordination Sphere
The metal ion and its coordinating ligands but not any uncoordinated counter-ions.
Critical Point
The combination of critical temperature and critical pressure of a substance.
Aromatic Hydrocarbons
Benzene and its derivatives.
Saccharic
of or derived from saccharin or a saccharine substance.
Cathode Ray Tube
Closed glass tube containing a gas under low pressure, with electrodes near the ends and a luminescent screen at the end near the positive electrode, produces cathode rays when high voltage is applied.
Chemical Equation
Description of a chemical reaction by placing the formulas of the reactants on the left and the formulas of products on the right of an arrow.
Frequency
The number of repeating corresponding points on a wave that pass a given observation point per unit time.
Exothermic
Describes processes that release heat energy.
Coulomb
Unit of electrical charge.
History of fireworks
There is an assumption that the history of fireworks started in China, about 2000 years ago. It is possible that the Chinese accidentally discovered explosions by burning bamboo canes.
