Which is a pure substance? (a) Element (b) Compound (c) Mixture (d) Both (a) and (b). Matter: Anything that has mass and occupies a certain amount of space can be called a matter. Classifying matter is esse
Pure compounds and elements differ from mixtures in one key way: the substances in a pure compound are held together by chemical bonds. These chemical bonds cannot be broken. Since they contain a single substance only, elements cannot be decomposed by ordinary chemical methods, such as the appli...
To determine the number of pure substances among the given list, we need to analyze each item based on the definition of a pure substance. A pure substance consists of only one type of particle, which can be either an element or a compound with a fixe
Matter can be classified into two: pure substance or mixture. A pure substance is composed of one element or compound while a mixture is composed of two or more pure substances.Answer and Explanation: Become a member and unlock all Study Answers Start today. Try ...
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, homo 最好的學習方式。免費註冊。 註冊代表你接受Quizlet的服務條款和隱私政策 以Google帳戶繼續 關於...
element is a chemical substance, which consists of only a single type of atoms; hence, they are pure. There are about 118 elements given in the periodic table according to their atomic number. For example, the smallest element is the hydrogen. Silver, gold, and platinum are some of the ...
- A pure substance is a material that has a constant composition and consistent properties throughout. It can be an element or a compound. - A mixture is a combination of two or more substances where each substance retains its own properties. 2. Identify Water: - Water is represented chem...
Can it be physically separated? Matter Flowchart MATTER yes no Can it be physically separated? MIXTURE PURE SUBSTANCE Is the composition uniform? no yes Can it be chemically decomposed? no yes Homogeneous Mixture (solution) Heterogeneous Mixture Compound Element Colloids Suspensions ...
They can also be classified based on their composition, such as whether they are an element, compound or mixture.What are the properties of substances?The properties of a substance include its chemical and physical characteristics. Chemical properties include reactivity, flammability, and toxicity. ...
In order to be a pure substance, the substance must contain only one type of element or compound. For example, gold only contains gold elements. If there is another substance present, then it is considered a mixture. The following are examples of pure substance: Water: Water is considered ...