What is a compound? 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 ...
In the chemistry class, we learned that water is a ___ compound. A. simple B. complex C. pure D. mixed 相关知识点: 试题来源: 解析 B。“complex”意为“复杂的”,水是由氢和氧组成的化合物,是复杂的。“simple”简单的,“pure”纯净的,“mixed”混合的,均不符合水的化学性质描述。反馈...
Definition of Compound What is a Compound? A compound is a substance formed when two or more chemical elements are chemically bonded together. Inmixtures, the substances present are not chemically bonded together. Water: two hydrogen atoms bonded to an oxygen atom....
What is a compound? The topic of discussion in this section is compound. In chemistry, matter can be classified into: Mixtures, which are substances that are not directly bonded to one another and can be separated. Pure substances, such substances can either be elements, molecules, or com...
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 ...
What is a Mixture ... in terms of Chemistry ? Matter can be classified in various ways according to its structure, behaviours and physical and chemical properties. The main classifications of matter include the categories element and compound, either of which may also be called a substance (...
What is a Complex? A complex is a molecular entity formed by loose association involving two or more component molecular entities (ionic or uncharged), or the correspondingchemical species. The bonding between the components is normally weaker than in a covalent bond. ...
题目A chemistry paper discussed a new compound. The compound was noted for its ability to react violently with water. This reactivity is mainly due to ___. A. its large molecular size B. the presence of a particular functional group C. its high density D. its bright color 相关...
解析 - A compound is a material,in which atoms of different elements are chemically held to one another.- A mixture is a substance made by combining two or more different materials in such a way that no ch... 结果一 题目 AP chemistry (1)What are the main difference between a compound...
Chemistry-Dictionary.com is an online dictionary that provides definitions and explanations of chemistry-related terms and concepts. It serves as a reference for students, teachers, and professionals in the field of chemistry. What kind of terms are included in the chemistry dictionary?