If the chemical symbol consists of more than one letter, any subsequent letters are lowercase. Example: Hydrogen → H, Helium ...

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.

These rules help in identifying and writing chemical symbols consistently across all elements. The symbol serves as a shorthand notation for each element's name in formulas and equations ...