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C

covalent bond

attractive force between the nuclei of a molecule’s atoms and pairs of electrons between the atoms

covalent compound

composed of molecules formed by atoms of two or more different elements

cubic centimeter

volume of a cube with an edge length of exactly 1 cm

cubic meter

SI unit of volume

D

Dalton's atomic theory

set of postulates that established the fundamental properties of atoms

density

ratio of mass to volume for a substance or object

dimensional analysis

versatile mathematical approach that can be applied to computations ranging from simple unit conversions to more complex, multi-step calculations involving several different quantities

E

electron

negatively charged, subatomic particle of relatively low mass located outside the nucleus

element

substance that is composed of a single type of atom; a substance that cannot be decomposed by a chemical change

empirical formula

formula showing the composition of a compound given as the simplest whole-number ratio of atoms

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