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9 terms

Chem Test 2/8

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Anhydrous
without water
Covalent
bond forms when atoms share electrons
Cation
a positively charged ion
Poly Atomic Ion
An Ion that contains many atoms
Acid
any substance with a pH lower than 7.0, and a compound that forms hydrogen ions (H+) in solution
Structural Formula
an expanded molecular formula showing the arrangement of atoms within the molecule
Emperical Formula
simplest whole # ration of atoms in a compound
Binary Compound
chemical compound composed of only two elements
Molecular Formulas
specify the exact number of each type of atom within the molecule