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The charge that an atom in a molecule would develop if the most electronegative atoms in the molecule took the shared electrons from the less electronegative atoms
When a substance has only one type of atom, the oxidation number for that atom = the charge of the substance divided by the number of atoms present
If all else fails, apply the O. # as the same as what the atom would take in an ionic compound. Groups 3A, 6A and 7A work best.
a salt bridge contains
an aqeuous ionic compound and is necessary for the proper working of the battery
in alkaline batteries, the inner construction of the battery is broken down
which means it can not recharge
what happened in exp. 16.1
citric acid oxidized iodine to 5+ in order to form the blue starch compound, it needed to be 0
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