The Periodic Table is a well-organized chart that contains all 118 known elements in the universe. These elements are the ...

An element’s chemical symbol is a single capital letter or a capital letter followed by a lower case letter. What is carbon? Find out about the structure and properties of the element carbon.

CO₂, carbon dioxide. The formula of a compound shows how many atoms of each element are bonded together. The formula is made up of symbols and numbers. The numbers are written as subscript ...