Skip to main content

chemical terms

Do not use a hyphen in most chemical expressions, even when the terms are used as modifiers.

carbon dioxide levels
hydrogen ion activity

Use a hyphen after prefixes when that's the standard for certain chemical formulas.

L(+)-2, 3-butanediol
trans-glycol

Use a hyphen to indicate mixtures or combinations.

hexane-benzene


Share

Last Updated Dec. 9, 2024