A Circulated 1965 and Later USA Quarter Is made of The Elements Copper & Nickel.
No, joliotium is not a man-made element. It is not a recognized element in the periodic table.
The element neon is a pure element made of only neutrons, electrons, and protons.
Actinium is a natural chemical element, it is not a man-made element.
Oxygen is an element and don'y contain any other element.
Mendelevium is a man made chemical element.
Thallium is a naturally occurring element in the Earth's crust. It is not a man-made element.
Lead '''is''' an element, and no other element is made up of it, although many compounds contain lead.
mercury is an element itself!!
Iron is the heavier element from which steel is primarily made.
No. It is a compound made of hydrogen and oxygen. An element is not made of any other elements.
No, sulfur is a naturally occurring element found in the earth's crust. It is not man-made.
Selenium is a natural element.