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 ...
题目The horizontal rows in the periodic table are called___. A. groups B. periods C. families D. series 相关知识点: 试题来源: 解析 B。元素周期表中的水平行称为周期。选项 A 组是垂直列;选项 C 家族不准确;选项 D 系列也不是水平行的正确名称。反馈 收藏...
25. Horizontal rows in the periodic table are called ___.Periods Groups Family BlockAnswerThe correct answer is: A) PeriodsExplanationPeriods are horizontal rows in the periodic table. Each period indicates a different energy level.Learn & Test Your Skills Python MCQsJava MCQsC++ MCQsC MCQsJavaSc...
What are rows of the periodic table called? What are the rows on a periodic table called? 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?
aCertain groupings of elements in the periodic table are designated by special names. The heavy, stepped, diagonal line on the table divides the elements into two major classed. Those to the left of the line are called metals, and those to the right, nonmetal. GroupⅠA elements are known...
1) This question is about the Periodic Table.a) How many elements are there in period 3 of the Periodic Table?(1)b)Place the first 3 elements of period 3 in order of increasing reactivity.(1)c) Explain your reasoning to part (b).(1)d) Mark with an × the statement that best des...
22 In the outline of the Periodic Table below, some elements are shown as numbers.□1234567Which two numbers are metals in the same period? D A 1 and 2 B 1 and 7 C 3 and 5 D 5 and 6 相关知识点: 试题来源: 解析 D 反馈 收藏 ...
The above question can be answered by having a thorough study of the periodic table and understanding how and why the elements are placed at certain specific positions. The periodic table is orderly arrangement of elements in various periods and groups on the basis of their atomic number, ...
<p>To determine which groups of the periodic table do not form hydrides, we can analyze the periodic table and the properties of elements in various groups.</p><p>1. <strong>Understand Hydrides</strong>: Hydrides are compounds formed between hydrogen and
In this matrix, the rows denote sentiment scores in a given range or bin, and the columns denote the weeks (Methods 11 and Supplementary Methods S3), and elements are the number of tweets during a week that fall in that bin. Thus, an eigenmood is not an average sentiment value (per ...