百度试题 结果1 题目Which is a non-metal element? A. Gold B. Silver C. Oxygen D. Copper 相关知识点: 试题来源: 解析 C。Gold(金)、Silver(银)、Copper(铜)都是金属元素,Oxygen(氧)是非金属元素。
结果1 题目This element is a non-metal that is yellow in color. What is it? A. Sulfur B. Chlorine C. Phosphorus D. Silicon 相关知识点: 试题来源: 解析 A。黄色的非金属元素是硫,Chlorine 是氯,Phosphorus 是磷,Silicon 是硅。反馈 收藏 ...
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As for this invention, it regards the tin non content polyurethane form which is obtained by reacting under existing of bisumasukarubokishireto a) b) chemical compound and c1 which possess the hydrogen atom of isoshianeto reactivity) poriisoshianeto, as the catalyst.オルタルダ,マルコ...
Titanium nitride (TiN) has a hardness of 9.0 on the Mohs scale, equivalent to that of sapphire and carborundum. It is used as a coating material for cutting tools, such as drill bits, and for aesthetic applications due to its shiny gold finish. Additionally, TiN serves as a barrier ...
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A. Neon B. Hydrogen C. Argon D. Krypton 相关知识点: 试题来源: 解析 B。解析:Hydrogen(氢)是非金属元素,在自然界中以双原子分子H₂的形式存在。Neon(氖)、Argon(氩)和Krypton(氪)是稀有气体元素,它们是单原子分子。反馈 收藏
Product Description Tin ingots Key Specifications/Special Features: Silver-white metal, soft with good ductility. Melting point: 232°C Density: 7.29g/cm3 Non-toxic Tin is a soft, silvery white metal but it with lead, zinc is very similar, but it looks to be more brighter. Its hardness is...
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