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Ch.7 Vocab Chem

Mr Atkins 2013

TermDefinition
Monatomic ions ions formed from a single atom
subscripts indicates the number of atoms in a molecule of octane
binary compounds composed of two elements
nomenclature the naming system of ionic compounds
cation positively charged ion
anion an ion that has a negative charge
stock system naming ions using roman numerals
polyatomic ions a charged group of covalently bonded atoms
oxyanions polyatomic ions that contain oxygents , -ate, -ite
acid based on properties when mixed with water
salt ionic compound composed of a cation and the anion from an acid
oxidation number indicates general distribution of electrons among the bonded atoms in a molecular compound or polyatomic compound
formula mass sum of the atomic masses of all atoms represented in its formula
molar mass sum of the masses of the elements present in a mole of the molecules or formula units that make up that compound
empirical formula 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
molecular formula the actual formula of a molecular compound
Created by: sofiale1206
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