Carbon alone forms the familiar substances graphite and diamond. Both graphite and diamond are made only of carbon atoms. Graphite is very soft and slippery. Diamond is the hardest substance known to man. If both are made only of carbon what gives them different properties? The answer lies in...
What do we know about graphite according to the next? A. It is soft and can be easily cut into sticks . B. It was used to write words in ancient Rome. C. It could not be used to mark sheep. D. It is in the form of liquid. 相关知识点: 试题来源: 解析 A 反馈 收藏 ...
1. Graphite is can be described as a) hard and crystalline b) soft and slippery c) a dark liquid d) made only of carbon and hydrogen atoms 2. Diamond is a) made only of carbon and hydrogen atoms b) the hardest substance know to man ...
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Is graphite an igneous rock? Soft Crystalline Carbon: Graphite is a crystalline form of carbon that is made up of the same material as diamond but that is much softer. It exhibits both metallic and non-metallic properties and is soft, with a greasy feel to it. Graphite can leave marks on...
You are unlikely to be unfamiliar with graphite (石墨). This soft black material is often used to makepencils. But did you know you could complete a simple circuit (电路) using a graphite pencil? Here is an easyscience experiment for you to understand the conductivity of graphite.Step①Use...
(57)< Abstract > The soft graphite seat is inserted and is exfoliated and between layer the surface compressing the blend of the particle where the natural graphite which is expanded is large relatively and between layer to be inserted is produced by the surface to be exfoliated the particle ...
Graphite and diamonds are made up of carbon atoms. Graphite, however, is soft and can be used to write with while diamonds are the hardest substance known to man and are the only substances that can be used to cut other diamonds. What is the main rea...
Graphite is soft; diamonds are hard. Graphite conducts electricity, but diamonds are insulators and can't conduct electricity. Graphite is opaque; diamonds are usually transparent. Graphite and diamonds have these properties because of the way the carbon atoms bond together at the nanoscale. Products...