Does selenium oxidize?

Commercially, selenium is produced as a byproduct in the refining of these ores, most often during production. Minerals that are pure selenide or selenate compounds are known but rare….

Oxidation states −2, −1, 0, +1, +2, +3, +4, +5, +6 (a strongly acidic oxide)
Electronegativity Pauling scale: 2.55

What does se react with?

Selenium is a fairly reactive element. It combines easily with hydrogen, fluorine, chlorine, and bromine. It reacts with nitric and sulfuric acids. It also combines with a number of metals to form compounds called selenides.

What is se in chemistry?

Selenium is a non metallic chemical element, member of the group XVI of the periodic table. In chemical activity and physical properties it resembles sulfur and tellurium.

What is the highest oxidation state of selenium?

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atomic number 34
amorphous 4.28 grams/cm3
gray 4.79 grams/cm3
oxidation states −2, +4, +6
electron configuration 1s22s22p63s23p63d104s24p4

Does selenium gain or lose electrons?

Selenium is more likely to gain two electrons. It will become Se2− ion.

What is the oxidation number of Al?

Aluminum has three oxidation states. The most common one is +3. The other two are +1 and +2. One +3 oxidation state for Aluminum can be found in the compound aluminum oxide, Al2O3.

What is the oxidation state of selenium in al2se3?

Aluminium selenide, also known as aluminum selenide or aluminium(III) selenide, is a chemical compound. Its chemical formula is Al2Se3. It contains aluminium in its +3 oxidation state….Aluminium selenide.

Chemical formula Al2Se3
Molar mass 290.84 g/mol
Appearance yellow to brown powder
Odor odorless

What is the charge of selenium?

In its compounds selenium exists in the oxidation states of −2, +4, and +6.