A solid compound that contains a definite percentage of bound water.
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Composition Stoichiometry
Descibes the quantitative (mass) relationships among elements in compounds.
Mother Nuclide
Nuclide that undergoes nuclear decay.
Chemical Change
A change in which one or more new substances are formed.
Alkyl Group
A group of atoms derived from an alkane by the removal of one hydrogen atom.
Foam
Colloidal suspension of a gas in a liquid.
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Law of Definite Proportions (Law of Constant Composition)
The law stating that a pure substance will always have the same percent by weight. Different samples of a pure compound always contain the same elements in the same proportions by mass.
Isomorphous
Refers to crystals having the same atomic arrangement.
Critical Mass
The minimum mass of a particular fissionable nuclide in a given volume required to sustain a nuclear chain reaction.
Chain Termination Step
The combination of two radicals, which removes the reactive species that propagate the change reaction.
