Metals are good conductors (both of heat and electricity) becauseat least one electron per atom is free: i.e., it is not tied to any particular atom, but is, instead, able to move freely throughout the metal. Why are metals good conductors of electricity and glass is not?
Some metals are better conductors of electricity than others ___ means that the former have atom that contain more free electron than the latter.( ) A. that B. this C. which D. it 相关知识点: 试题来源: 解析 C 答案:C 考查定语从句.句子之间需要连接词,因此空格处需填连接词.通过分析句子...
1 1.why metals are able to conduct heat and electricity?2.why the melting point of magnesium(649 c)i1.elplain why metals are able to conduct heat and electricity?.2.explain why the melting point of magnesium(649 c)is much higher than the melting point of sodium(97.9 c).3.suggest re...
Why are metals extremely good conductors of electricity? A. Because metals are quite strong, yet deformable. B. Because metals are not transparent to visible light. C. Because metals have large numbers of nonlocalized electrons. D. Because the electrons of metals are bound to particular ...
百度试题 结果1 题目Metals are good conductors of both___ A. Electricity and heat B. Heat and light C. Heat and magnetism D. Electricity and magnetism 相关知识点: 试题来源: 解析 A 反馈 收藏
The majority of materials that conduct heat and electricity are metals, for the simple reason that metals contain a glut of free electrons.
Some metals are better conductors of electricity than others,which means that the former have atom that contain more free electron than the latter.求翻译 相关知识点: 试题来源: 解析 有些金属比其他的金属更容易导电 结果一 题目 Some metals are better conductors of electricity than others , _...
Some metals are better conductors of electricity than others, means that the former have atoms that contain more free electrons than the latter. A. that B. this C. it D. which 相关知识点: 文化常识 试题来源: 解析 D that不引导非限制性定语从句。this和it不引导从句;如果将两句话之间的逗号...
All metals are found not to conduct electricity equally well. A. 人们发现并不是所有金属的导电性能都一样
结果1 题目 Some metals are better conductors of electricity than others ___ means that the former have atom that contain more free electron than the latter.A) thatB) thisC) whichD) it 相关知识点: 试题来源: 解析 C 反馈 收藏 ...