百度试题 结果1 题目There are ___ main groups in the periodic table. A. 7 B. 8 C. 9 D. 10 相关知识点: 试题来源: 解析 B。元素周期表有 8 个主族。反馈 收藏
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There are ___ periods in the periodic table. A. 7 B. 8 C. 9 D. 10 相关知识点: 试题来源: 解析 A。目前元素周期表有 7 个周期。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...
The elements in the periodic table are arranged in order of___. A. atomic number B. mass number C. atomic weight D. electron configuration 相关知识点: 试题来源: 解析 A。元素周期表中的元素是按照原子序数排列的。选项 B 质量数、选项 C 原子量和选项 D 电子构型都不是元素周期表排列的主要依据...
21 Elements X and Y are in the same Group of the Periodic Table.Which statement must be correct? A A Atoms X and Y have similar electronic structure. B Atoms X and Y have the same physical properties. C If X has a smaller proton number than Y, it is less metallic. D The number ...
The elements in the periodic table are arranged in order of increasing ___. A. atomic number B. mass number C. electron configuration D. properties 相关知识点: 试题来源: 解析 A。元素周期表中的元素是按照原子序数递增的顺序排列的。反馈
A. size B. weight C. atomic number D. color 相关知识点: 试题来源: 解析 C。“The elements in the periodic table are arranged in order of increasing atomic number.”可知元素在周期表中是按照原子序数递增的顺序排列的。A 选项大小、B 选项重量、D 选项颜色均不符合语境。反馈 收藏 ...
Different groups are present in the periodic table: The Alkali Metals The Alkaline Earth Metals The Transition Metals The Non-metals The Halogens The Noble Gases The Rare Earth Elements Similar questions Q.The columns of the periodic table are called groups. ...
单选题:Elements in the modern version of the periodic table are arranged in order of increasing ___.选项:A. average atomic mass B. atomic number C. number of isotopes D. oxidation number E. atomic mass 相关知识点: 试题来源: 解析 [atomic number] 反馈 收藏 ...