6. Wood is a poor conductor (conduct) of heat and electricity. 相关知识点: 试题来源: 解析 答案见上6.conductor:体前 的不定冠词a和形容词 poor及空后的介词 of可知,设空处应 用名词形式。 结合句意可知,此处意为“ (电或热的)导体” , 故填 conductor。 反馈 收藏 ...
Which of the first 20 elements in the periodic table are metal and which are nonmetals?What property of nonmetallic elements makes more likely to gain electrons than lose electrons?Suppose element X is a poor conductor of electricity and br...
Name any two metals which are poor conductors of electricity View Solution Knowledge Check Question 1 - Select One Which metal is a poor conductor of electricity? ACopper BSilver CLead DIronSubmit Question 2 - Select One An ionic solid is a poor conductor of electricity because Aions do not...
【题目】3.熟词生义(划线词的含义)(1)Wood is a poor conductor of heat and electricity.()(2)Chinese all over the world observe the SpringFestival.(3)She could not grasp why I could not help her.()(4)It was calm weather, so we went camping and set acampfire near the camp.()(5)...
Why is electricity not a form of matter? Why is methane gas dangerous? Why is methane a gas at room temperature? Why is cloth a good insulator? Why is duct tape a good insulator? Why are superconductors important? Why is it a good idea to touch a metal pole, or similar conductor, be...
the manufacturing process in the electric furnace, product poor conductor of electricity to cold, from raw materials having different resistivities.A. ELECTROVERRE ROMONT S.
(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
From the time of the discovery of the alkali metals, it was regarded as indubitable that a metal must be contained in clay. Wohler, however, was the first to obtain metallic aluminium by the action of sodium on the chloride. The method of separating the element from its compounds by electr...