'Period table'通常指化学中的'元素周期表',是按元素原子序数排列的表格。 Period Table的定义与概念 Period Table,即元素周期表(Periodic Table of Elements),是化学学科中的一项基础工具,用于系统地组织和展示所有已知的化学元素。这一表格按照元素的原子序数,即核中的质子数,对元素进行排...
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 ...
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When you walk into my office, one of the first things you see is a huge version of the periodic table. It includes examples or representations of all 118 elements, like a clock with glow-in-the-dark dials for radium and a bottle of Pepto Bismol for bismuth. (Sometimes visitors are ...
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.
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 ...
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
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.
低地蘇格蘭語 英文 period +添加翻译 低地蘇格蘭語-英文字典 adjective verb noun interjection row in the periodic table of elements wikidata 显示算法生成的翻译 类似于 "period" 的短语,可翻译成 英文 geological period geological period early modren period ...
(Chemistry) A sequence of elements arranged in order of increasing atomic number and forming one of the horizontal rows in the periodic table. Span A pair of horses or other animals driven together; usually, such a pair of horses when similar in color, form, and action. Period Of, belongin...