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

A + sign separates two or more reactants or products. State symbols are used in symbol equations to show whether each chemical is a solid, liquid, gas or solution. But it’s often hard to know ...

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 ...