Therefore, the ion of selenium has the charge of 2-. It’s known as selenide ion.Our selenium page has over 260 facts that span 106 different quantities. Each entry has a full citation. Clementi-Raimondi Effective Nuclear Charge. Selenium has the electronic configuration of. It’s easier for it to accept 2 valence electrons than donate its 6 valence electrons which. Selenium Charge State Distribution. by FLYCHK NLTE Kinetics Calculation at NIST. Average Charge States Z. Click the figure for interactive plot.In its compounds selenium exists in the oxidation states of ?2, +4, and +6. It manifests a distinct tendency to form acids in the higher.
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