Chem vocab 4

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Algebra

System of Equations

10th

10 Terms

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Monatomic Ion
an ion formed from a single atom
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Binary Compound
A compound composed of two different elements
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nomenclature
A naming system
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Oxyanion
A polyatomic ion that contains oxygen
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Salt
An ionic compound that forms when a metal atom or a positive radical replaces the hydrogen of an acid
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Oxidation Number
the number of electrons that must be added to or removed from an atom in a combined state to convert the atom into the elemental form
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Oxidation state
the condition of an atom expressed by the number of electrons that the atom needs to reach its elemental form
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Formula mass
the sum of the average atomic masses of all the atoms represented in the formula of any molecule, formula unit, or ion
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Percentage Composition
the percentage by mass of each element in a compound
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Empirical Formula
a chemical formula that shows the composition of a compound in terms of the relative numbers and kinds of atoms in the simplest ratio