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Valence is a somewhat outdated concept in chemistry. It is a number that tries to predict with how many neighboring atoms a certain atom can form a bond. For redox reactions it has been superseded by the concept of oxidation number.

Valence is the name of several places in France:

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Canadian Charter of Rights and Freedoms

... limited to five years, though such an override can be reauthorized. While the Charter was adopted in 1982, it was not until five years later in 1987 that many of ...

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