bond forms when atoms share electrons
a positively charged ion
Poly Atomic Ion
An Ion that contains many atoms
any substance with a pH lower than 7.0, and a compound that forms hydrogen ions (H+) in solution
an expanded molecular formula showing the arrangement of atoms within the molecule
simplest whole # ration of atoms in a compound
chemical compound composed of only two elements
specify the exact number of each type of atom within the molecule
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