Pure water is a(n)
element
compound
mixture
solution

Pure water is a chemical compound.  Every water molecule is
one oxygen atom tightly bound to 2 hydrogen atoms.  That's a
big part of the reason why the chemical formula for water is H₂O .

Pure water is an compound.

Step-by-step explanation:

Pure water is an chemical compound.

Water, , is a pure substance, a compound made of hydrogen and oxygen. Although water is the most abundant substance on earth, it is rarely found naturally in its pure form. Most of the time, pure water has to be created. Pure water is called distilled water or deionized water. In distilled water all of the dissolved substances mixed in water have been removed by evaporation.