鈣
鈣者，舊譯𨪷、鉐，化學元素也，符號Ca，原子序廿，屬鹼土金屬。質軟，新剖時銀而白，遇氧漸啞，性稍躁，遇水遇酸即沸，釋氫。以離子、化合態存于天地，可從石灰岩、石膏得之。可製水泥、肥料、鹼。
一八零八年，英國人戴維、瑞典人貝采利烏斯並法國人蓬丁察之，公諸世。
其存於牙骨，使其堅而不朽，蓋人體必需之礦物質營養素。
同位素
同位素者有二十四，自鈣三四至鈣五七。其六性穩，餘者皆具放射性。
| 聲音動静，具錄於維基共享︰鈣 |
譯名見異，臺譯在先，陸譯在後，香港兼從
This article uses material from the Wikipedia 古文 / 文言文 article 鈣, which is released under the Creative Commons Attribution-ShareAlike 3.0 license ("CC BY-SA 3.0"); additional terms may apply (view authors). 若無側注，諸文皆奉CC BY-SA 4.0以行。 Images, videos and audio are available under their respective licenses.
®Wikipedia is a registered trademark of the Wiki Foundation, Inc. Wiki 古文 / 文言文 (DUHOCTRUNGQUOC.VN) is an independent company and has no affiliation with Wiki Foundation.