mixture = two or more elements and/or compounds physically mixed together 2个或更多element/compound混合起来(不是化学物质),比如空气是N2, O2, CO2等各气体的mixture
the components of a stereo system constituent stresses its essential and formative character. the constituents of a chemical compound ingredient applies to any of the substances which when combined form a particular mixture. the ingredients of a cocktail Examples...
el·e·mentˈel-ə-mənt 1 :any of the four substances air, water, fire, and earth formerly believed to compose the physical universe 2 :a constituent part: as a :any of more than 100 fundamental substances that consist of atoms of only one kind and that singly or in co...
but they are not all combined chemically. The water molecules and salt molecules exist together but aren’t chemically combined. Therefore, salt water is not a compound. Instead, saltwater is considered amixture.
Gasoline Mixture, homo Lucky charms Mixture, hetero Brass Mixture, homo Dry ice (CO2) Pure substance, compound Graphite Pure substance, element Steel Mixture, homo Pizza Mixture, hetero Mountain dew Mixture, homo Gold Pure substance, element BLT Mixture, hetero Chalk (CaCO3) Pure sub...
百度试题 结果1 题目5 Which of the following shows a mixture of a compound and an element? B中F BA BC D 相关知识点: 试题来源: 解析 B 反馈 收藏
Classify each of the following materials as an element, compound, heterogeneous mixture, or homogeneous mixture. (a) concrete (b) clear apple juice (c) nitrogen (d) ozone Classification of Materials: Generally, materials are classified on the basis of their chemical and phys...
题目In chemistry, a mixture is different from a ___. A. compound B. element C. atom D. molecule 相关知识点: 试题来源: 解析 A。在化学中,混合物不同于化合物,“compound”是化合物,“element”是元素,“atom”是原子,“molecule”是分子。反馈 收藏 ...
QUALITATIVE AND QUANTITATIVE ANALYSIS OF CHEMICAL ELEMENT, COMPOUND, AND MIXTUREPROBLEM TO BE SOLVED: To perform the qualitative and quantitative analysis of a sample easily by obtaining the spectrum of a known element by x-ray irradiation and superimposing a spectrum obtained by irradiating the ...
than 6 units of glycidol. In instances where the alkyphenoxy compound contains upwards of 6 and preferably at least 8 reacted glycidol units, the compound contains sufficient hydroxy and methylol groups to impart improved water solubility and to provide optimum physical and coating characteristics in...