Why metals can conduct electricity is an interesting problem.相关知识点: 试题来源: 解析 金属中的自由电子在电场作用下定向移动 金属导电的根本原因在于其独特的原子结构。金属原子通过金属键结合,其最外层电子(价电子)会脱离原子束缚,形成"电子海"。这些自由电子可在整个金属晶格中自由移动。当施加外电场时,...
◎熟词生义 — —根据语境写出加黑词的词性和词义1. As is known to us, most metals can conduct electricity.v.传导2. I must check my bank balance to find out how much money I have in my credit card.n.余额3. Competition from investors, developers, and established large farmers makes ...
carbon 有一个formate 系graphite 佢用左3粒slectron 去form covalent bond with other carbon 由于系3个bond 佢成为左一个plane 最后个粒electron 就系plane 同plane之间自由游离 由于lee 粒electron 系free electron 所以it conduct electricity
Why can graphite conduct electricity?Electrical Conductivity of Graphite:Free movement of electrons can give the elements capability of electrical conductivity. The elements that are capable of conducting electricity are the elements that contain free moving delocalized electrons. An electric field within ...
Researchers have developed a new type of fiber, which has both the flexibility of cotton and the conductivity of polyaniline polymer. This innovative material is available in Carbohydrate Polymers), which shows the potential of manufacturing wearable electronic textiles, and can be used for health mon...
结果一 题目 3.Which of the following can conduct electricity(导电)? A. Glass. B.Plastic. C.Oil. D.Water. 答案 优质解答相关推荐 13.Which of the following can conduct electricity(导电)? A. Glass. B.Plastic. C.Oil. D.Water.
结果1 题目 Insulators can also conduct electricity to some extent,though___give a high resistance to an electric current. 虽然___对电流施加很大电阻,但仍能有某种程度的导电性。 相关知识点: 试题来源: 解析 they 绝缘体 反馈 收藏
No, the pure water does not conduct electricity. Pure water can be made conduct dissolving salt in it.
To determine which of the following compounds can conduct electricity in the fused state, we can follow these steps:Step 1: Understand the Requirement for Conductivity To conduct electricity, a substance must have charged parti
A salt that can conduct electricity when it is dissolved in water is a(n) A. Buffer B. Catalyst C. Electrolyte D. Indicator Salt: In our everyday language, we often think of salt as the table salt for cooking, which is sodium chloride (...