The coinage metals were traditionally regarded as a subdivision of the alkali metal group, due to them sharing the characteristic s1 electron configuration of the alkali metals (group 1: p6s1; group 11: d10s1).
Logam koin secara tradisional dianggap sebagai sub golongan logam alkali, karena mereka berbagi karakteristik konfigurasi elektron s1 logam alkali (golongan 1: p6s1; golongan 11: d10s1).