In a scientific context, “pure” denotes a single type of material. Ostensibly, compounds contain more than one type of material. Yet both compounds and elements are considered pure substances. Pure compounds are created when elements combine permanently, forming one substance. For example, when t...
解析 CA compound is made up of 2 or more elements chemically combined. It has different properties from the elements it is made of. It is a pure substance with fixed melting and boiling points. It can only be separated by chemical means. ...
是宾补
结果一 题目 we ve separated the compound into pure substance.请问into pure substance 是做宾补么 如果不是那这段在句中作什么成分 答案 是宾补相关推荐 1we ve separated the compound into pure substance.请问into pure substance 是做宾补么 如果不是那这段在句中作什么成分 ...
Example 1:Pure water is a compound made from two elements - hydrogen and oxygen. The ratio of hydrogen to oxygen in water is always 2:1. Each molecule of water contains two hydrogen atoms bonded to a single oxygen atom. Example 2:Pure table salt is a compound made from two elements -...
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...
Chemistry.a pure substance composed of two or more elements whose composition is constant. acompound word,especially one composed of two or more words that are otherwise unaltered, asmoonflowerorrainstorm. verb (used with object) to put together into a whole;combine: ...
we ve separated the compound into pure substance.请问into pure substance 是做宾补么 如果不是那这段在句中作什么成分
In chemistry, a compound is a substance made up of two or more different chemicalelementscombined in a fixed ratio. When the elements come together, they react with each other and form chemical bonds that are difficult to break. These bonds form as a result of sharing or exchangingelectronsbe...
The compound insecticidal main agent is a mixture prepared from the destruxins and the matrine in a weight ratio of 1:0.25-50. The destruxins is a pure substance or a mixture containing destruxins A, B, C, D and E, and the matrine is a pure substance or a mixture containing total...