【题目】2. Copper is a transition metal.(a)Describe the bonding in copper andexplain why copper is usuallymanufactured as electric wire.(b) Lit two characteritics of transiion metals.(c)Identify the nature of bonding between theligand and the transition metal ion in thecomplex [Cu(NH3)4]...
Which of the following elements is a metal? A. carbon B. sulfur C. copper D. phosphorus 相关知识点: 试题来源: 解析 C。金属元素是铜。选项 A 是碳,是非金属元素;选项 B 是硫,是非金属元素;选项 D 是磷,是非金属元素。所以答案是 C 。
百度试题 结果1 题目Copper is a kind of _. A. stone B. wood C. marble D. metal 相关知识点: 试题来源: 解析 D 反馈 收藏
百度试题 结果1 题目Copper is a kind of(a)stone(b)marble(c)wood(d)metal 相关知识点: 试题来源: 解析 d 反馈 收藏
结果1 题目 ⑨Copper is an important conducive metal, both because of its highconductvity and be-cause of its abundance and low cost.铜是一种重要导体,因为它的导电率高,而且资源丰富,价格又低。 相关知识点: 试题来源: 解析 答案见上 反馈 收藏 ...
百度试题 结果1 题目单项选择 Copper is a kind of ___. stone, marble, wood, metal相关知识点: 试题来源: 解析 metal 反馈 收藏
Due to these properties, copper can not be considered a mixture. What is an Element? An element is a pure substance that cannot be broken down into anything simpler than itself by any means. All atoms in an element are the same; they have the same number of protons in nuclei. ...
aIt turned out that a flowing liquid yields better characteristics than a boiling liquid 它结果流动的液体比煮沸的液体产生更好的特征[translate] aIn addition, copper, a metal used for cooking utensils,pots, vases, trays, and cups, is used as ornaments on edges of tables, chairs, and shelves,...
解析 B。解析:澳大利亚的采矿业与多种金属有关,但黄金(gold)开采在澳大利亚非常著名。A选项铜(copper)虽然也是金属矿产,但澳大利亚并非以铜开采最为出名。C选项锡(tin)不是澳大利亚主要的与采矿业紧密相关的金属。D选项锌(zinc)同样不是澳大利亚采矿业最具代表性的金属。
铜属于重金属。 A、Copper belongs to the heavy metals. B、Copper is grouped to be a heavy metal. C、Copper is a heavy metal.