oxygen is an element. it is not a compound.
Sulfuric acid is a compound
Water is not an element, it is a compound composed of hydrogen and oxygen.
No, PbO is not an element. It is a chemical compound composed of lead (Pb) and oxygen (O). Lead is the element in this compound.
Oxygen is an element. It is a chemical element with the symbol O and atomic number 8.
Plastic is a mixture of different compounds, additives, and polymers that are combined to give it its properties. It is not a single compound or element, but rather a complex mixture of several substances.
Element
Iron is an element
Sulfuric acid is a compound
Both are mixtures.
Potatoes are mixtures.
Alloys are mixtures
ALL compounds are mixtures
Water is a compound - H2O.
Oxygen is an element
oxygen is a element ! :)
Oxygen is an element.
Hydrogen* is neither a mixture nor a compound it is a basic element. Compounds are combinations of elements such as H20 (water molecule and 2 oxygen molecules) and mixtures are combinations of substances such as mixing oil and water.