【题目】Carbon DioxideCarbon dioxide is a compound in which two oxygen atoms are connected to a carbon atom.At normal temperatures it is a colourless gas. Carbon dioxide is an important part of the carboncycle and essential for life on Earth. _1 Plants use the sunlight and take up the ...
A. material B. substance C. agent D. element 相关知识点: 试题来源: 解析 D 正确答案:D解析:element n.(化学)元素;成分,要素material n.材料,原料;素材,资料。substance n.物质;实质;要旨,基本内容;根据,理由。agent n.代理人,代理商;(化学)剂。
carbon 碳;element 元素;carbon dioxide 二氧化碳;compound 化合物。 碳是一种(化学)元素,而二氧化碳则是一种化合物。结果一 题目 即学活用Carbon is an element, while carbon dioxide is a compound.译: 答案 carbon 碳;element 元素;carbon dioxide 二氧化碳;compound 化合物。 碳是一种(化学)元素,而二氧化碳...
百度试题 结果1 题目Carbon is a(n) ___ while carbon dioxide is a compound. A. material B. 。 substance C. agent D. 。 E. lement 相关知识点: 试题来源: 解析 d 反馈 收藏
瑞鸿网词典双语例句Carbon is an element, while carbon dioxide is a compound.碳是一种(化学)元素, 而二氧化碳则是一种化合物.
百度试题 结果1 题目Carbon is___, while carbon dioxide is a compound.相关知识点: 试题来源: 解析 an element 反馈 收藏
百度试题 题目Carbon is___,while carbon dioxide is a compound.相关知识点: 试题来源: 解析 an element null 反馈 收藏
Carbon is an element,whilecarbon dioxideis a compound. 碳是一种(化学)元素,而二氧化碳则是一种化 。 The lime water has turned cloudy, thereforecarbon dioxidehas beenproducedduring the experiment. 灰 变 了, 可见在实验中有二氧化碳生成了。
d) red blood cells. Carbon Dioxide: Carbon dioxide is a compound composed of two oxygen molecules attached to one carbon molecule. Carbon dioxide is a gas at room temperature and is a major component of the body. Answer and Explanation:...
The carbon dioxide definition, or CO2 definition, refers to a chemical compound that is made up of the elements carbon and oxygen. This compound occurs in the gaseous state at room temperature and at pressure. Carbon dioxide gas was discovered as the gas produced during natural processes such ...