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Type your answer here... A compound... duh! If it includes the names of more than one element, (in this case oxide=oxygen and Mercury) and it is (obviously) safely enough combine for it to be named, it is a compound. Besides, if "element" means ONE ELEMENT, and the name includes mercury and oxygen, that means that there are TWO ELEMENTS, HELLO!

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Q: Is mercury II oxide is an element or a compound?
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What is HgO2?

mercuric oxide That name is used as the systematic or common name for a compound. This compound is also known as Mercury (II) oxide due to the oxidation number of a transition metal being used in the IUPAC nomenclature. The compound, Hg2O, would, therefore, be known as Mercury (I) oxide or mercurous oxide.


Is mercury oxide and mercuric oxide same thing?

Yes, Mercury(II) oxide, also called mercuric oxide or simply mercury oxide are all the smae compound.


Is PbO a element?

No, lead (II) oxide (PbO) is a compound of two elements: lead and oxygen.


Is Mercury oxide a solid?

Yes it is, and it is written as Mercury (II) oxide


What is the IUPAC name for Mercury I oxide?

IUPAC names: Mercury(I) oxide for Hg2O and Mercury(II) oxide for HgO


What does II symbolize in the compound copperII oxide?

Copper(II) oxide is CuO; II is an indication that in this compound copper is bivalent.


What is the formula for Mercury I oxide and Mercury II oxide?

Iupac names:mercury(I) oxide is Hg2O, also called mercurous oxideandmercury(II) oxide is HgO, also called mercuric oxide


What is the correct name for this compound SnO?

Stannous Oxide or Tin (II) Oxide


What is the formula of mercuric oxide?

Mercuric oxide or mercury (II) oxide : HgO


What is the name of the ionic compound Co2O?

Cobalt II Oxide


What is iron oxide an element mixture solution or compound?

Actually there are several iron oxides, iron(II)oxide, iron(III)oxide and iron(II,III)oxide, and iron(III)oxide comes in four so-called 'phases'.All of these are compounds of iron with oxygen.


Mercury oxide is heated to form oxygen?

A chemical reaction happens when mercury is heated and reacts with oxygen. This reaction results in the creation of mercuric oxide, an orange or red compound.