The meaning of PERIOD is the completion of a cycle, a series of events, or a single action : conclusion. How to use period in a sentence. Synonym Discussion of Period.
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]
Share on Facebook the present or current time, as distinguished from all other times. See also:Period Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co. Want to thank TFD for its existence?Tell a friend about us, add a link to this page, or visitthe webmast...
The meaning of PERIOD is the completion of a cycle, a series of events, or a single action : conclusion. How to use period in a sentence. Synonym Discussion of Period.
结果1 题目 6 The arrangement of the elements from left to right in Period 4 on the Periodic Table is based on (2)(1)atomic mass(2)atomic number(3)the number of electron shells(4)the number of oxidation states 相关知识点: 试题来源: 解析 (2) 反馈 收藏 ...
periodn(periodic table)SCSimplified Chinese周期zhōu qī TCTraditional Chinese周期 / 週期 The periodic table is made up of 9 horizontal periods. 化学元素周期表是由9个水平的元素周期组成的。 periodnrare(sentence)(罕见用法)SCSimplified Chinese完整句wán zhěng jù ...
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 ...
百度试题 结果1 题目What is a row of elements on the periodic table called? A. octave B. period C. group D. transition 相关知识点: 试题来源: 解析 B 反馈 收藏
9Elements X, Y and Z are in the same period of the Periodic Table.The properties of the oxides formed by these elements are shown below.oxide X dissolves in dilute hydrochloric acid oxide Y dissolves in aqueous sodium hydroxide oxide Z dissolves in both dilute hydrochloric acid and aqueous so...
The ()of atoms decreases from left to right across a period in the periodic table. For example, on moving from lithium to beryllium, the number of charges on the nucleus is increased by one, A. size B. number C. charge D. electron 相关知识点: 试题来源: 解析 A 反馈 收藏 ...