The establishment of EVISA is funded by the EU through
the Fifth Framework Programme (G7RT- CT- 2002- 05112).
Supporters of EVISA includes:
Glossary
valence state
Also called the oxidation number or oxidation state. An integer (positive, negative, or zero) that describes the number of electrons that must be added or removed from an atom to give it a neutral charge.
The term "valence state" was found in the following pages: