The chemical element symbol for copper is ___. A. Cu B. Co C. Cr D. Cd 相关知识点: 试题来源: 解析 A。Cu 是铜(copper)的化学元素符号。Co 是钴(cobalt)的化学元素符号,Cr 是铬(chromium)的化学元素符号,Cd 是镉(cadmium)的化学元素符号。
Copper is an essential trace element, which is an important catalyst for heme synthesis and iron absorption. Following zinc and iron, copper is the third most abundant trace element in the body. Copper is a noble metal, like silver and gold. Useful industrial properties include high thermal ...
百度试题 结果1 题目In batteries, which chemical element is commonly used? A. Copper B. Iron C. Zinc D. Aluminum 相关知识点: 试题来源: 解析 C。锌在电池中被广泛使用。铜常用于电线等,铁主要用于建筑等领域,铝在包装等方面有应用。反馈 收藏 ...
Which chemical element is often used to make wires in experiments? A. Copper B. Oxygen C. Nitrogen D. Hydrogen 相关知识点: 试题来源: 解析 A。在实验中,铜经常被用来制作电线,因为它具有良好的导电性。而氧气、氮气、氢气通常不用于制作电线。
百度试题 结果1 题目单项选择。What is the chemicalof for copper(铜)A. reasonB. hopeC. dreamD.symbol 相关知识点: 试题来源: 解析 句意:铜的化学符号是什么?reason原因;hope希望;dream梦想;symbol符号。根据句意可知,D项符合。故选D。答ID
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What chemical element is Cu?Chemical Elements:A chemical element refers to a type of atom characterized by a specific number of protons in its nucleus. All atoms of the same element will have the same number of protons, but they might vary in their number of neutrons or electrons without ...
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