元素周期表的英文是periodic table,所以周期就是period.族是group.类是class.结果一 题目 关于化学元素周期表(英文) “周期”用英语怎么说呢,我们学Science的时候讲“period”,是不是就是周期阿?还有“类”怎么说,是不是group? 答案 元素周期表的英文是periodic table,所以周期就是period.族是group.类是class....
元素周期表的英文是periodic table,所以周期就是period.族是group.类是class. 解析看不懂?免费查看同类题视频解析查看解答 相似问题 关于元素周期表的几个英语问题!懂英语和化学的进~ 化学元素周期表怎么读? 如何快速背元素周期表的英文 特别推荐 二维码 回顶部©2021 作业帮 联系方式:service@zuoyebang.com...
In theperiodic tableof the elements, elements are arranged in a series of rows (or periods) so that those with similar properties appear in vertical columns. Elements of the same period have the same number of electron shells; with each group across a period, the elements have one more prot...
校长也许任何时候改变它的价格在2 (二个) 月预先的书面通知到经销商。[translate] athe size atoms decreases from left to right across a period in the periodic table 大小原子减退从左到右横跨期间在周期表里[translate]
Group numbers The group number is an identifier used to describe the column of the standard periodic table in which the element appears. Groups 1-2 termed s-block elements. Groups 1-2 (except hydrogen) and 13-18 are termed main group elements....
Define The period. The period synonyms, The period pronunciation, The period translation, English dictionary definition of The period. the present or current time, as distinguished from all other times. See also: Period Webster's Revised Unabridged Dicti
In the periodic table of the elements, it is a d-block element and the second of the fourth-row transition elements. It is a member of the 7th period and belongs to the group 4 elements. Chemistry experiments have confirmed that rutherfordium behaves as the heavier homologue to hafnium in ...
In the periodic table of the elements, elements are arranged in a series of rows (or periods) so that those with similar properties appear in vertical columns. Elements of the same period have the same number of electron shells; with each group across a period, the elements have one more ...
Throughout most of the 20th century, an eight-period periodic table (also known as an electron-configuration table) was offered as an improvement over the ubiquitous seven-period format of wall charts and textbooks. The eight-period version has never achieved wide acceptance although it has ...
© 2010 The Gale Group, Inc. All rights reserved. period[′pir·ē·əd] (astronomy) The average time interval for a variable star to complete a cycle of its variations. (chemistry) A family of elements with consecutive atomic numbers in the periodic table and with closely related ...