Back Chemiese formule Afrikaans صيغة كيميائية Arabic فورمولة كيماوية ARY Fórmula química AST Kimyəvi formul Azerbaijani Хімічная формула Byelorussian Химична формула Bulgarian ဓာတုဗေဒ ဖော်မျူလာ BLK রাসায়নিক সংকেত Bengali/Bangla Formulenn gimiek Breton
A chemical formula is a way o expressin information aboot the proportions o atoms that constitute a pairteecular chemical compoond, uisin a single line o chemical element seembols, nummers, an sometimes an aa ither simbuls, such as parentheses, dashes, brackets, an plus (+) an minus (−) signs.