It's a compound
Manganese dioxide is itself a compound with formula = MnO2
The manganese dioxide is an inorganic compound.
MnO2 is the chemical formula(there is no equation). The compound is called manganese oxide and manganese(IV) oxide by IUPAC. Wikipedia calls it manganese dioxide.
Manganese is an element.
Yes, MnO2 is a compound, manganese dioxide.
Manganese (III) Oxide
Yes - too many to name - but potassium permanganate would be one and Manganese dioxide another.
Yes: An oxide ion has a charge of -2. Two of them have a combined charge of -4, which is exactly neutralized by a manganese (IV) cation.
Manganese chloride is a compound: It has definite proportions between the manganese and chlorine atoms and therefore is not a mixture but contains two distinct elements and therefore is not an element.
element. Sulfur dioxide (SO2) is a compound
Manganese dioxide (MnO2) is a black powder.
nope, matter of fact i tested this out in chemistry class yesterday and the results say no