Aluminum trichloride is often found in the form of (AlCl3)2, in which, the hybrid mode of the atomic orbital of Al and the type of bond of Al-Cl-Al is respectively ( ) A. sp2,three-center four-electron chloride bridge bond B. sp2,three-center three-electron chloride bridge bond C....
Which group of elements belongs to the f-block? (a) inner transition metals (b) metalloids (c) metals (d) nonmetals. Periodic Table: Periodic table consists of elements placed in accordance with the increase in the atomic mass. The table is di...
South Africa is rich in mineral resources and is one of the five largest mineral resource countries in the world. There are more than 70 kinds of minerals that have been proven and mined. The reserves of platinum group metals, fluorspar and chromium rank first in the world, gold, vanadium,...
aAluminum remained unknown until the nineteenth century,because nowhere in nature is it found free,owing to its always being combined with other elements,most commonly with oxygen,for which it has a strong affinity 铝保持未知直到19世纪,因为无处本质上它由于与其他元素总被结合的它任意发现了,通常与...
a9. Aluminum are remained unknown until the nineteenth century, because nowhere in nature is it found free, owing to its always being combined with other elements, most commonly with oxygen, for which it has strong affinity. 9. 铝保持未知直到19世纪,因为无处本质上它由于与其他元素总被结合的它...
In both sides of the aluminum backing material which is administeredPROBLEM TO BE SOLVED: To provide a resin coated can lid material excellent in film shaving resistance, barrier properties or flavor properties against content and the adhesion with a resin film.山口 恵太郎...
Elements belonging to which group of the periodic table form ions with a 2+ charge? a. alkaline earth metals b. alkali metals c. chalcogens d. halogens Periodic Table: The elements are arranged in the increasing or...
and 1.2×10 -4 to 1.2×10 -3 mole/l of an iron ion compound as a reaction initiator and/or 1.92×10 -4 to 1.92×10 -3 mole/l of at least one compound selected from the group consisting of pyridazine, methylpiperidine, 1,2-di-(2-pyridyl)ethylene, 1,2-di-(pyridyl)ethylene, 2,...
Aluminum is soft and relatively lightweight, but is also deceptively strong and durable. You can find aluminum-coated parts in automobiles, food and beverage containers, aircraft and many other common items. Magnesium: A member of the alkaline earth metal series, magnesium is less dense than ...
aThe modules are enclosed in a battery jacket, which is constructed of a sheet of aluminum on each side of a 10-mm-thick layer of ridged, lightweight, high-efficiency insulation. 模块在电池夹克被附寄,在山脊,轻量级,高效率绝缘材料10毫米厚实的层数的每边被修建铝板料。[translate]...