Read Edit View history 碱土金属 jiǎntǔjīnshǔ alkaline earth metal Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 碱土金属/鹼土金屬 · jiǎntǔjīnshǔ · alkaline earth metal 2026/03/04 碱土金属 / 鹼土金屬 jiǎntǔjīnshǔ alkaline earth metal alkaline earth (i.e. beryllium Be, magnesium Mg, calcium Ca, strontium Sr, barium Ba and radium Ra) 镁和钙都属于碱土金属。 created sense Mar 4, 2026, 02:25 AM