allotropy
World Encyclopedia | Date: 2005
allotropy Property of some chemical elements that enables them to exist in two or more distinct physical forms. Each form (an allotrope) can have different chemical properties but can be changed into another allotrope – given suitable conditions. Examples of allotropes are molecular oxygen and ozone, white and yellow phosphorous, and graphite and diamond (carbon).
© World Encyclopedia 2005, originally published by Oxford University Press 2005.
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