Oxygen, hydrogen, sodium, and chlorine.
Actinium is a natural chemical element, it is not a man-made element.
Mendelevium is a man made chemical element.
No, CuSO4 is not an example of a chemical element. It is the chemical formula for copper sulfate, which is a compound made up of the elements copper, sulfur, and oxygen. Copper (Cu) is the element in this compound.
First made in 1950 at the University of California. It is a radioactive metallic chemical element
Seaborgium is a man made chemical element.
Uranium is a natural chemical element.
Thorium is a natural chemical element.
Scandium is a natural chemical element.
Copper is unique chemical element.
Cadmium is a natural chemical element.
This is a chemical element.
Technetium is an artificial chemical element.