What is the abbreviation for the name of an element?

The abbreviation for the name of an element is referred to as an atomic symbol. Each element is represented by a unique one or two-letter symbol derived from its name, often based on its Latin name. For example, the atomic symbol for hydrogen is "H," while sodium is represented as "Na," from its Latin name "Natrium." This system of atomic symbols is integral to the field of chemistry, as it allows for a standardized way of representing elements in equations and formulas. Recognizing atomic symbols is crucial for understanding the composition of compounds, as well as for performing chemical calculations and reactions.

The other options do not represent abbreviations for elements: a molecular formula indicates the types and numbers of atoms in a molecule but doesn't serve as an abbreviation for a single element; a chemical equation conveys a chemical reaction rather than representing an element; and a compound name refers to substances formed from two or more elements, which is distinct from the symbol of an individual element.