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the phase change of a substance from the gas phase to the solid phase, without passing through the intermediate liquid phase.
a hydrocarbon with single bonds between carbon atoms and at least one hydrogen replaced by a...
the movement of particles suspended in a fluid (a liquid or a gas) as a result of being bumped...
a chemical reaction in which two or more chemicals combine to form a more complex product.
states that the orbital with the lowest energy is the orbital that fills first.
the nucleus of the new isotope that is formed as a result of radioactive decay.