9 A compound is a substance composed of two or more elements that are (3)(1)physically mixed in a fixed proportion(2) physically mixed in a variable proportion(3)chemically combined in a fixed proportion(4)chemically combined in a variable proportion 相关知识点: 试题来源: 解析 (3) ...
Alloy: Metallic substance composed of two or more elements, as either a mixture, compound, or solid solution. 合金:由两种或多种元素组成的金属材料,以化合物或固溶体形式存在。 www.tdict.com 2. Social stocks of metallic substance determine the secondary or recoverable resources to a certain extent...
PROBLEM TO BE SOLVED: To provide a device for diffusing a condensing substance composed of two elements or more by utilizing a centrifugal force field generated by the ultra-high revolution and also provide a process thereof and a substance prepared by the process.MASHITA SHIGERU...
What is the word for a substance composed of two or more elements that are chemically combined to form a new substance with different properties? Define the term chemical interference used in chemistry. One of the following statements below would NOT be a fitting definition for chemistry. Which...
A substance composed of two or more elements combined chemically in a fixed proportion by mass is (a) An atom (b) A solid (c) A mixture (d) A molecule A homogeneous mixture is also called: a. chemically bonded b. a solution c. a compound d....
• Add this info to your notes that you took from the last section. • Compound- A substance composed of two or more elements that are chemically bonded to form a new substance with different properties. • Example 1- Water. Water’s chemical formula is H2O. • Mixture- a combinati...
carbon tetrahalide- compounds composed of 1 carbon and 4 halogen molecules congener- a minor chemical constituent that gives a wine or liquor its distinctive character chemical compound,compound- (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite propo...
Blocks of Matter Matter may consist of elements, compounds, or mixtures. Element: a substance made of only one type of atom Compound: a substance made of two or more elements chemically bonded together. Mixture: a physical combination of two or more pure substances (i.e., elements or ...
Define Organic substance. Organic substance synonyms, Organic substance pronunciation, Organic substance translation, English dictionary definition of Organic substance. Noun 1. organic compound - any compound of carbon and another element or a radical a
Pure substances come in two different forms: elements and compounds. Elements are made of one type of atom, either by itself or bonded together to form a molecule. Compounds are molecules that are composed of two, simpler substances. They are made of more than one type of atom chemically ...