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
According to the article, we can learn that if we put all the elements on the periodic table intoone container, we shouldA. get a new super elementB. create something uniqueC. give life to lifeless things, justlike Frankenstein.D. expect nothing unusual.51. Accor ding to Mark Tuckerman,...
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 ...
Most elements on the periodic table are what?Periodic TableThe arrangement of the periodic table provides a way to distinguish between the three types of elements. The three types of elements are metals, metalloids and non-metals. To the left of the metalloids are the metals with the exception...
Hint: It has one electron!First Element of the Periodic Table:The periodic table is a table in which the chemical elements are arranged by atomic number. It starts with the element with the lowest atomic number all the way to the element with the highest atomic number, Oganess...
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 elements on the periodic table are gases? What one characteristic of an atom determines what type of element it is? How is the modern periodic table arranged? What are the periodic properties of the elements? What do elements in the first two columns of the periodi...
百度试题 结果1 题目What are the horizontal rows in the periodic table called? A. Groups B. Blocks C. Periods D. Orbitals 相关知识点: 试题来源: 解析 C。原因:文章中明确提到“The horizontal rows are called periods.”。 反馈 收藏
This discussion has focused on the writings of Fritz Paneth which are here analyzed from a new perspective. The other tradition concerns the reduction of chemistry to quantum mechanics and an understanding of chemical elements through their microscopic components such as protons, neutrons and electrons...
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).