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
Written and fact-checked by The Editors of Encyclopaedia BritannicaThe periodic table is a tabular array of the chemical elements organized by atomic number, from the element with the lowest atomic number, hydrogen, to the element with the highest atomic number, oganesson. The atomic number of ...
解析 Ans. The d block elements are in the middle of S and p blocks, comprising the groups 3to 12.They are the four rows of elements in the periods 4h (3d series), 5th (4d series), 6th ( 5d series)and 7h ( 6d series).
结果1 题目What are the horizontal rows in the periodic table called? A. Groups. B. Periods. C. Elements. D. Compounds. 相关知识点: 试题来源: 解析 B。中文解析:“The periods are horizontal rows”,周期表中的水平行称为周期。反馈 收藏 ...
The Periodic Table is a table of all the elements we know about today. Elements are placed in order of atomic number ( number of protons in the nucleus ).
athe file is either damaged orwa not installed correctly.please uninstall then installing it again 文件是任一损坏的orwa没安装的correctly.please卸载再然后安装它[translate] a一直;始终 Continuously; Throughout[translate] asituations shirts 情况衬衣[translate] ...
A. All elements are solids. B. Elements in different periods have no similarities. C. The periodic table helps us understand the relationships between elements. D. The periodic table only shows the names of E. lements. 相关知识点: 试题...
What is Se on the periodic table? What is CA on the periodic table? What are the nonmetals in a periodic table? What are some metals on the periodic table? What group is flerovium in on the periodic table? What is the fourth element on the periodic table?
What is the periodic table? And what does quan- tum mechanics contribute to the question? Found. Chem. 14, 1, 69-81. (doi:10.1007/ s10698-011-9124-y).Scerri, E.R.: What is an element? What is the periodic table? And what does quantum mechanics contribute to the question? Found....
What is mainly discussed in the passage? A. The biology’s periodic table. B. The possible influence of decoding human genome on human’s life. C. Moral dilemmas posed by decoding human genome. D. Gene E. xpression monitoring. 相关知识点: ...