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
compound是化合物,有两种或两种以上元素组成的纯净物.mixture of elements是混合物,不属于纯净物.【欢迎追问,】 APP内打开 为你推荐 查看更多 a gaseous mixture that is a homogeneous mixture of a compound and an element 臭氧和氧气 24856 SAT化学里面的a mixture of elements是什么意思?和mixture有什么区别?
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 ...
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
Pizza Mixture, hetero Mountain dew Mixture, homo Gold Pure substance, element BLT Mixture, hetero Chalk (CaCO3) Pure substance, compound Silver necklace Pure substance, element Buttered popcorn Mixture, hetero Motor oil Mixture, homo Aluminum can Pure substance, element Bronze Mixture, h...
liquids or powders in a mixing element, The container then has a water tank cover in which, due to its special structure, the mixture of the liquid part and / or the powder part rotates in a coordinated manner, at least on the rotating head of the machine where the container is located...
The main classifications of matter include the categories element and compound, either of which may also be called a substance (which is a less specific term), and mixture, of which there are also many sub-categories.Definition of a (Chemical) Mixture:...
It has no known components or substructure, and therefore is believed to be an elementary particle.这种题最好有图解说比较好2.What is an element, mixture, molecule, and compound?什么是元素,混合物,分子和化合物A chemical element is a pure chemical substance consisting of one type of atom.In ...
compound, mixture 这组词都有“复合物”的意思,其区别是: compound指由两种或两种以上的物质结合在一起,发生化学变化而成的复合物、化学物。 mixture指把多种东西混合在一起,组成的东西未起化学变化。 以上来源于网络 compound, blend, combination, mixture, composite ...
sample ofthecompoundormixtureusedin a product’s formulation shall be tested utilizing one or both of the following methods for identification of LVP-VOCcompoundsandmixtures:ASTM D2879 as modified in Appendix B of Method 310, and ASTM E1719, to determine ifthecompoundormixturemeets the definition...