For all articles on chemical elements: pure chemical substances consisting of one type of atom distinguished by the number of protons in its nucleus.

Antimony

Silver

“Lead (chemical symbol Pb) is a chemical element; a soft, malleable heavy metal. Lead has a...

Lead

Gold

Iron

Copper

“Oxygen (chemical symbol: O) is a chemical element. In nature, at standard temperature and...

Oxygen

“Iodine (chemical symbol: I) is a chemical element, and a halogen. Iodine and its compounds are...

Iodine