The most common Selenium ion is Se2- the selenide ion. It is in the same group as oxygen and its most common ion in the oxide ion O2-.
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The most common selenium ion is selenite, which has a chemical formula of SeO3^2-. This ion is commonly found in nature in minerals and in aqueous solutions.
Selenium ions refer to selenium atoms that have gained or lost electrons to become positively or negatively charged. They can exhibit different chemical properties compared to neutral selenium atoms, depending on the number of electrons gained or lost.
The most common isotope of selenium is selenium-80, which makes up about 50% of naturally occurring selenium.
I^- is the most common ion of Iodine.
A selenium ion with 36 electrons would have a charge of +2 and would be called a selenide ion (Se2-).
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