Kiⁿ-thó͘ kim-sio̍k
(Tùi Alkaline earth metal choán--lâi)
Kiⁿ-thó͘ kim-sio̍k (鹼土金屬) sī chí tī hòa-ha̍k gôan-sò͘ ê chiu-kî-piáu lāi-bīn tē 2 cho̍k ê 6 khoán gôan-sò͘, pau-koat Beryllium, Magnesium, khā-lú-siúm (Calcium), Strontium, Barium kap Radium, lóng sī kim-sio̍k.