The elements in Group 1 are called ___. A. alkaline earth metals B. halogens C. noble gases D. alkali metals 相关知识点: 试题来源: 解析 D。解析:文中提到“the elements in Group 1, also known as the alkali metals”,即第一族的元素也被称为碱金属。
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
___ elements in ___ Group 1 are called alkali metals. A、/; the B、The; a C、The; the D、The; /
结果1 题目 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 ...
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 ...
百度试题 结果1 题目The rows in the periodic table are called ___. A. groups B. periods C. elements D. properties 相关知识点: 试题来源: 解析 B。解析:文章中明确提到“The rows are called periods.”。 反馈 收藏
Answer and Explanation: The elements of group 1 (also known as main group 1) on the periodic table are called the alkali metals. This group name specifically begins with...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question O...
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...
tried to lead, stripped of all elements of civilization and social convention that he considered superfluous and detrimental to virtue. Diogenes lived without shame out of an old wine jar in the public spaces of Athens and went barefoot in the snow to inure himself to cold, all the while ...
To run this sample as a standard.NET executable, fire up Visual Studio as usual and create a new F# project (which you'll find under Other Project Types). An F# project consists, at the beginning, of a single F# source file, called file1.fs. Opening this file reveals a large collecti...