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 ...
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
Which groups on the periodic table contain metalloids? What group is flerovium in on the periodic table? What groupings on the periodic table are made up of elements that react similarly? Elements in Group 17 are called What do the elements in each column of the periodic table ...
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
Delectronegativity decreases on moving down a group Submit DElectronegativity decreases on moving down a group Submit The elements of same group of the periodic table have View Solution View Solution View Solution View Solution Exams IIT JEE
B1. B: The horizontal rows of the periodic table are called periods. The vertical columns of the periodic table are known as groups or families. Developed by Dmitri Mendeleev to organize the known elements according to their similarities, all of the periodic table elements in a group have ...
Group 4A What is the name given to the group of elements all of which have the electron configuration ns2np5? Which group of elements has the valence configuration of ns2np2? The atom having the valence-shell configuration 4s23d8 would be in what group and period? On the perio...
百度试题 结果1 题目25 Selenium, Se, is in the same group of the Periodic Table as sulfur, S What is the formula of sodium selenide? A ANa2Se BNaSeO C Na2SeO D Na SeO: 相关知识点: 试题来源: 解析 A 反馈 收藏
Q.What is meant by groups and periods in the periodic table? Q.What are groups of the modern periodic table .What does the 'group number' signify Q. In the modified Mendeleev’s periodic table,___ groups and ___ periods are present, whereas in modern periodic table,___ groups and _...
What is meant by a group in the periodic table? 01:47 Within a group where would you expect to find the element with (A) ... 02:49 State whether the ionization potential decreases on going down a group... 02:55 How many elements are there in period 2? 01:01 Rewrite the following...