most noble gases exist in their pure form because they are so unreactive
No, graphite is a pure substance. It is a form of the pure element carbon.
Pure substance; it is one form of pure carbon.
It is a pure element, though if you are talking about sulfur in its natural form (S8), then yes it is a pure compound.
It is found in nature in its pure form (not as a compound).
its a mixture, water as a pure form has no salt in it
Diamonds are the crystaline form of Carbon.
The most chemically simple form of pure matter is that of a pure element, not chemically bonded in any way.
Neither. It is an element. Also, by definition if a substance is pure it cannot be a mixture; it mus either be an element or a compound.
gold
An element.
No, graphite is a pure substance. It is a form of the pure element carbon.
Yes, californium is a pure chemical element, not a compound or mixture.
Pure substance; it is one form of pure carbon.
Mineralogists call an element that occurs naturally in its pure form uncombined with other elements a native element. These elements are typically found in nature in their pure metallic form, such as gold, silver, and copper.
Neither. Oxygen is an element, which is a pure substance and not a mixture.
It is a pure element, though if you are talking about sulfur in its natural form (S8), then yes it is a pure compound.
Gold is an element. Its Atomic number is 79. Its a metal and is the same color as you find it in jewelry and in gold mines.