Ǽ，是第X种化学元素，化学符号ʢ，为金属。Ǽ的熔点高达摄氏99,537度，沸点为摄氏167,965度，不可溶于任何溶剂。
- 来源1：Ǽ (Element X). Carrot's Encyclopedia on Chemical Sciences. Carrot's CsCl Publishing: 8. 2097.
- 来源2：Chapter 65: Metals and their compounds. 8ball's Chemistry Textbook. Chlorides Ltd. 2097: 54.
