A. Graphite B. Silicon C. Phosphorus D. Sulfur 相关知识点: 试题来源: 解析 A。题目中描述的元素是非金属且是良好的电导体。硅是半导体不是良好导体。磷和硫都是非金属但不是电导体。而石墨是非金属且是良好的电导体。反馈 收藏
Good reducing agents Some physical properties of non-metals are as follows: Poor heat and electricity conductors Non-Ductile metals Solids that are brittle Maybe solids, liquids or gases at room temperature These aren’t sonorous at all. Transparent The chemical properties of non-metals are: The ...
Reason (R): Graphite is a good conductor of electricity. CASE STUDY QUESTIONS Q.1.Read the following and answer the questions : On the basis of reactivity of different metals with oxygen, water and acids as well as displacement reactions, the metals have been arranged in the decreasi...
What metals are not good conductors? Do nonmetals conduct heat and electricity? Are nonmetals malleable? Are nonmetals shiny? Are nonmetals reactive? What are nonmetals? Do nonmetals have luster? Are halogens metals or nonmetals? Are metals or nonmetals ductile?
Properties of metals high melting points. good conductors of electricity. good conductors of heat. high density. malleable. ductile. Is argon necessary for life? Whether you know it or not, you're breathing argon right now. But there's no need to be alarmed: This colorless, odorless gas ma...
Metals: Metals are lustrous, sonorous, ductile, and are good conductor of heat and electricity.Non-metals: Non-metals are no-lustrous, non-sonorous, non-ductile, and are bad conductor of heat and electricity.Table of ContentsPhysical Properties of Metals and Non-metals Chemical Properties of ...
Metals (ESAAE) Metals are good conductors of heat and are therefore used in cooking utensils such as pots and pans. Metals are good conductors of electricity,
The meaning of NONCONDUCTOR is a substance that conducts heat, electricity, or sound only in very small degree.
(a) Iodine is a lustrous non-metal. (b) Bromine is a non-metal which exists as a liquid at room temperature. (c) Graphite is the allotropic form of carbon and it is a good conductor of electricity. (d) Carbon is a non-metal which is known to form t
The metals form positive ions (cations), they can be hammered into thin sheets (malleable) and they can be drawn into wires (ductile). The electric wires are manufactured of copper because copper is a metal that is a good conductor of electricity.Properties of metals...