百度试题 结果1 题目___ elements in ___ Group 1 are called alkali metals. A. /; the B. The; a C. The; the D. The; / 相关知识点: 试题来源: 解析 D 反馈 收藏
Group1A elements are also called: noble gases. halogens. alkaline earth metals. alkali metals. none of the above Here’s the best way to solve it.
___ elements in ___ Group 1 are called alkali metals. A、/; the B、The; a C、The; the D、The; /
【单选题】___ elements in ___ Group 1 are called alkali metals. A. The; a B. The; the C. The; / D. /; the 如何将EXCEL生成题库手机刷题 如何制作自己的在线小题库 > 手机使用 分享 反馈 收藏 举报 参考答案: C 复制 纠错举一反...
aA group of design elements were abstracted which could reflect full objects and whole process, and then they were integrated into a system associated with each other according to some certain logical relation. 一个小组可能反射充分的对象和整体过程的设计元素提取了,然后他们是联合入系统与彼此交往根据...
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...
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
2 The elements in Group 17 of the Periodic Table are called the halogens. They form stable compounds with both metals and non-metals.The table gives some dat a about F2, HCl and CaF2F2HCI CaF2boiling point/K851882773relative formul a mass38.036.578.1(a)(i) State what is meant by the...
2 The elements in Group 17 of the Periodic Table are called the halogens. They form stable compounds with both metals and non-metals.The table gives some dat a about F2, HCl and CaF2.HCL CaF2boiling point/K851882773relative formul a mass38.036.578.1(a)(i) State what is meant by the ...
Answer to: What are the elements called that are found in an A group (groups 1, 2, and 13-18) on the periodic table (also called representative...