an atom or group of atoms with excess charge
a positive ion
a negative ion
positive part of an atom
neutral part of an atom
negative part of an atom
actual number of atoms in a molecule
simplest ratio of atoms in a molecule
a measure of the degree of attractiveness for electrons
atoms naturally paired up in a covalent bond
a group of atoms with a net charge
compounds having no polyatomic ions
compounds having at least one polyatomic ion
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