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Chapter 7
Vocab Terms
9
Chemistry
10th Grade
05/01/2012

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Term
Monatomic Ions
Definition
Ions formed from a single atom
Term
Binary Compounds
Definition
Compounds composed of two elements
Term
Nomenclature
Definition
Naming system
Term
Oxyanions
Definition
Polyatomic Ions that contain oxygen
Term
Oxidation Numbers
Definition
In order to indicate the general distribution of electrons among the bonded atoms in a molecular compound or a polyatomic ions are __ and they are assigned to the atoms composing the compound or ion.
Term
Formula Mass
Definition
formula unit, or ion is the sum of the average atomic masses of all atoms represented in its formula
Term
Percentage Composition
Definition
The percentage by mass of each element in a compound
Term
Empirical Formula
Definition
consists of the symbols for the elements combined in a compound, with subscripts showing the smallest whole-number mole ratio of the different atoms in the compound.
Term
Salt
Definition
An ionic compound composed of a cation and the anion from an acid
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