Naturally occuring.
Thallium is a naturally occurring element in the Earth's crust. It is not a man-made element.
Xenon is a naturally occurring element.
Phosphorus is naturally occurring. It is found in rocks
No. Iron is a naturally occurring element.
Metal that is a naturally occurring element.
Iodine is a naturally occurring element.
No, sulfur is a naturally occurring element found in the earth's crust. It is not man-made.
No. It is a "Rare Earth"- found only in trace amounts, but naturally occurring.
It is a natural occurring element in the noble gas group.
An element is a substance made of only one kind of atom. There are 92 naturally occurring elements on the periodic table. Each element is characterized by a unique number of protons in its nucleus.
Au is the symbol for gold -- nobody made it unless you count God. Gold is a naturally occurring element in the universe.
Naturally occurring (it is an element), the metal occurs naturally in its pure, free form (native silver), as an alloy with gold and other metals, and in minerals such as argentite and chlorargyrite.