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Dichromate has 7 oxygen atoms (Cr2O7-2)

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Q: What polyatomic ion contains the greatest number of oxygen atoms?
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Related questions

What is an polyatomic ion that contains oxygen?

SO4 sulfate


What are the oxyacids elements?

Any acid that contains hydrogen and an oxyanion is referred to as an oxyacid. * An oxyanion is a polyatomic ion that contains oxygen


Is ammonium an oxyanion?

No. An oxyanion is a polyatomic negative ion that contains oxygen. Ammonium is a cation (positive ion) and does not contain oxygen.


Is Hydroxide and element?

Hydroxide is not an element. Instead, it is a polyatomic anion that contains the two elements hydrogen and oxygen.


What is the term for a polyatomic anion that contains one or more elements combined with oxygen?

it's Oxyanion


Which two atoms do you think compose the polyatomic ion called silicate?

The polyatomic ion silicate (SiO4 -4) contains one atom of silicon, four atoms of oxygen and has a charge of -4.


Which polyatomic ion has the greatest number of oxygen atoma?

The "big wheel" in molybedenum blue is quite big with 532 oxygen atoms in the structure. If you include solid state compounds with network anions such as silicates then the number would be much much bigger, only restricted by the size of the single crystal you could make.


Is Calcium Carbonate a polyatomic molecule?

A molecule of CaCO3 contains 5 atoms: 1 calcium atom, 1 carbon atom, and 3 oxygen atoms.


What element do most polyatomic ions contain?

Oxygen


What does -ate or -ite at the end of a compound indicate?

Respectively the higher and the lower state of oxidation of a nonmetal acid-forming oxide.Example:sulfite SO32- from SO2 from S in oxid.state +4forming sulfurous acid H2SO3sulfate SO42- from SO3 from S in oxid.state +6forming sulfuric acid H2SO4The -ate and -ite represent different polyatomic ions containing oxygen; the exact formula and number of oxygen atoms depends on the specific ion. An -ate ion typically has one oxygen atom more than an -ite ion.The -ate and -ite represent different polyatomic ions containing oxygen, the exact formula and number of oxygen atoms depends on the specific ion. An -ate ion typically has one oxygen atom more than an -ite compound. Compounds ending in -ate or -ite are typically salts.


What is the atomic number of phosphate?

Phosphate is a polyatomic ion, not an element and so it does not have an atomic number. It is composed of oxygen and phosphorus which have the atomic numbers 8 and 15 respectively.


What do all of the polyatomic ions with the suffix -ate have in common?

Polyatomic ions ending in -ate in common form contain oxygen.