Does copper conduct more electricity than platinum? Why or why not? What are the differences between diamond and graphite? Why would HF have a lower electrical conductivity than NaCl? What is the property that is common between diamond and graphite?
◎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 ...
A substance that can conduct electricity in the molten state but not in the solid state is called a ___. A. metallic conductor B. semiconductor C. non-metal D. electrolyte 相关知识点: 试题来源: 解析 D。electrolyte 是电解质,在熔融状态下能导电而固态时不能导电;metallic conductor 是金属导体...
and then electrons will be lost, for example in recombination with positive ions, so energy must be continually used to maintain a significant number of free electrons) So with large voltages it is possible to generate electrons that can move freely in a gas and conduct electricity - as in ...
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...
1) carbon should have no free electron in its structure.Why it can conduct electricity? Ans: Carbon has o kind of structure. i)Diamond钻石& ii)Graphite石墨 i)Diamond钻石--- all carbon atoms are strongly bond tetrahedrally to form a giant covalent neork. There is no free e- ...
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The copper wire from the PSTN connects to the telephone, but the only part of the telephone that you would touch is made out of plastic. So how exactly can using the telephone be dangerous? Can lightning travel into the plastic part of a receiver and through the air into someone'...
This field of science offers insight into the ingredients necessary to form various substances ranging from household cleaners to chemotherapy drugs, and it clarifies why certain substances have distinctive characteristics such as the capacity to conduct electricity. ...
The ability of a semiconductor to conduct electricity can be enhanced by adding small amount of certain impurities to the semiconducting element .The process of adding small quantities of these other elements to a semiconducting element to increase it conductivity is called A doping B tapping C hidi...