![]() ![]() They are used to indicate units or values of quantities that are not meant to be read aloud, such as the number of atoms in a molecule or the power of a radio-frequency (RF) wave. Subscripts and superscripts are most commonly employed in formulae, mathematical expressions, and specifications of chemical compounds and isotopes, although they have a wide range of additional applications. What are superscripts and subscripts in chemistry? Subscripts are also used in scientific papers to denote chemical elements. For example, an advertisement for shoes might state: "Heel Height 8mm (0.3in)". Subscripts are sometimes used in advertisements and labels to give information about measurements such as height, weight, temperature, etc. Excerpts are generally placed with parentheses around them to distinguish them from normal text. For example, an excerpt from the Merriam-Webster Dictionary could be "synonym", which is used instead of the full word "synonyms". Subscripts can also be used in texts to indicate words or phrases taken from a dictionary. For example, the mass of the hydrogen atom is 1/18th of the mass of the unit cube. ![]() Subscripts are used in mathematics and science to indicate a sub-unit of something larger. The term "superscript" is commonly used to describe characters that are raised by the printer, while the term "subscript" describes characters that are lowered. Superscripts occur above the baseline, whereas subscripts appear at or below it. ![]() It is often smaller in size than the remainder of the text. A subscript or superscript character is one that is positioned slightly below or above the typical line of type (such as a number or letter).
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