4周搞定2000+托福核心词
氙,稀有气体元素,符号Xe
xenon
常考释义
Rayleigh and Ramsay postulated the existence of a new group of elements, and in 1898 other members of the series (neon, krypton, and xenon) were isolated.
瑞利和拉姆齐做出假设,认为存在一组新元素,1898年,这一系列元素中的其他元素(氖,氪,氙)也被成功分离出来。
来源于:阅读OFFICIAL16 P2n. 氙(化学元素)【化】
Xenon and krypton are not retained by the body so they have little effect.
氙和氪不能在人体内停留所以对人体影响很小。
Rayleigh and Ramsay postulated the existence of a new group of elements, and in 1898 other members of the series (neon, krypton, and xenon) were isolated.
瑞利和拉姆齐做出假设,认为存在一组新元素,1898年,这一系列元素中的其他元素(氖,氪,氙)也被成功分离出来。
来源于:阅读OFFICIAL16 P2以上图片仅供学习交流使用,版权归原作者所有,如有侵权,请与我方联系