题目Aluminum is a lightweight metal. What is the symbol for aluminum? A. Al B. Fe C. Cu D. Ag 相关知识点: 试题来源: 解析 A。本题考查铝的英文符号。选项 B 是铁的符号,选项 C 是铜的符号,选项 D 是银的符号。只有选项 A 是铝的符号。
A.The features of aluminum and its functions.B.The process of aluminum.C.The discovery of aluminum.D.The promising future of aluminum. 相关知识点: 试题来源: 解析 A 本题为主旨归纳题。通观全文,我们可以得知,B、C、D各项只讲述了关于铝的一部分,只有A项概括了全文。反馈...
What is the main raw material for the preparation of aluminum? A. Iron ore B. Copper ore C. Bauxite D. Gold ore 相关知识点: 试题来源: 解析 C。解析:文章中明确提到“The main raw material is bauxite”,即制备铝的主要原材料是铝土矿。反馈 收藏 ...
What is the volume of one aluminum atom? Elements: Elements are the atoms that we know from nature: They are displayed in the periodic table. This table arranged them according to their atomic number. Other properties are also informed for each element of the table . ...
What Is The Price Of The Aluminum Ramp? What is the price of the aluminum ramp? The price of aluminum ramps is affected by a variety of factors, including size, load-bearing capacity and so on. Specific price information is subject to customer custom ramp specifications....
Aluminum has a melting point of approximately 1220°F. Relative to other metals, this is about double the melting point of zinc, and half the melting temperature of stainless steel. Notably, the melting point of aluminum changes depending on the alloy composition. This is a vital piece of ...
Aluminum is an abundant metallic chemical element which is widely used throughout the world for a wide range of products. Many consumers interact with some form of it on a daily basis, especially if they are active in the kitchen. The element has an atomic number of 13, and it is identif...
What Is Aluminum? Aluminum (or aluminium) is a soft, lightweight, silvery metal. It is an element in the boron group on the periodic table of elements, with the symbol Al and atomic number 13. On the earth’s crust, aluminium is the most abundant metal, and the third most abundant ...
aMedical equipment 医疗设备 [translate] al'll appreciate mee as soon as possible l将尽快赞赏mee [translate] apyrimed pyrimed [translate] aWhat is the aluminum alloy used to produce these grille lamps 什么铝合金使用对产物这些格栅灯 [translate] ...
What are the atomic number and mass number of bromine-79? How do determine the mass number of the element U not the atomic mass? The atomic number of an atom of an element is 17 while its mass number is 35. How many neutrons does the atom have?