Àmì-ìdámọ̀ kẹ́míkà je leta-1 tabi -2 to je amioro gbigba kariaye fun apilese kemika kan, lopo igba to unwa lati oruko apilese na, nígbà púpo ni Latini. Leta akoko nikan ni o je ninla. Fun apere, "He" ni ami-idamo fun hiliom (English name, not known in ancient Roman times), "Pb" for lead (plumbum in Latin), "W" for tungsten (wolfram in German, not known in Roman times). Temporary symbols assigned to newly or not-yet synthesized elements use 3-letter symbols. For example, "Uno" was the temporary symbol for Hassium which had the temporary name of Unniloctium.