Metal and Alloys

# What is the empirical formula of chromium oxide?

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Two Chromium Atoms, and 3 Oxygen Atoms. (Cr2O3)

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## Related Questions

The empirical formula of calcium oxide is CaO, the same as the formula unit.

Chromium oxide may refer to:Chromium(II) oxide, CrOChromium(III) oxide, Cr2O3Chromium dioxide (chromium(IV) oxide), CrO2Chromium trioxide (chromium(VI) oxide), CrO3

Cr3Si2 is the empirical formula for a compound containing chromium and silicon an has 73.52 mass percent chromium.

CrO since the subscripts cancel out but the question really should not be asking what is the formula for chromium oxide, it should be asking what is the formula for Chromium(II)Oxide

V2O5 is the empirical formula for Vanadium oxide

Silver oxide is an ionic compound so its molecular and empirical formula is same Ag2O

Cr2O3 is, Chromium (III) oxide or simply Chromium oxide.

CrO2this is the incorrect formula. For Chromium II oxide the formula is actually CrO without the 2. The reason for this is simple. the II after chromium indicates that it has a charge of +2, and the oxygen, we know is in group 16, has a charge of -2. The formula CrO2 is actually the formula for chromium IV oxide>

For sodium oxide, the empirical formula is the same as the formula unit, Na2O. (If any formula unit or molecular formula contains an atomic symbol with no following subscript, the empirical and actual formulas will be the same.)

CrO3 is Chromium(VI) oxide also called Chromium trioxide

There is no specific formula for chromium oxide, as it is too unspecific; the name can refer to several different compounds. See http://en.wikipedia.org/wiki/Chromium_oxide.

Since zinc oxide is an ionic lattice when solid, it does not have a structural formula. Its empirical formula is ZnO.

"Chromium(III) oxide", or "dichromium trioxide".

Potassium oxide is a ionic lattice which is made out of potassium ions and oxide ions. Therefore, separate 'molecules of this compound do not exist. The empirical formula itself is K2O which is used also as the chemical formula for the compound.

The empirical chemical formula is written K20. The "K" comes from the Latin kalium; potassium was known to the ancients on Earth.

Ruby is aluminium oxide with traces of chromium.

from my work and looking around i think it is TeO2

TiO2 would be the formula for titanium (IV) oxide. It would be TiO for titanium (II) oxide. Titanium has several possible positive oxidation states.