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Please Help!     1) Identify each box as an element, compound or mixture of compounds. 2) Identify each as a solid, liquid or gas.

Please Help!     1) Identify each box as an element, compound or mixture of compounds. 2) Identify each as a solid, liquid or gas.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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1) Identify each box as an

element, compound or mixture of compounds.

2) Identify each as a solid,

liquid or gas.

**Classification of Matter** 1. **Element (a)**: - **Diagram Description**: The diagram (a) represents an element, depicted by a uniform array of identical spheres. This suggests that the substance is composed of only one type of atom, denoting a pure element. - **Educational Note**: In chemistry, an element is a pure substance consisting of only one type of atom. Elements cannot be broken down into simpler substances by chemical means. 2. **Mixture (b)**: - **Diagram Description**: The diagram (b) shows a mixture, illustrated by a collection of different molecules, each consisting of two red and one white parts. These variations imply that the substance is a combination of different compounds. - **Educational Note**: A mixture consists of two or more different substances that are not chemically bonded together. Each substance in a mixture retains its own chemical properties and can be physically separated from the others. 3. **Compound (c)**: - **Diagram Description**: The diagram (c) represents a compound, depicted by groups of spheres bonded together in a uniform pattern. Each cluster represents a molecule of the compound, showing consistent composition. - **Educational Note**: A compound is a substance formed when two or more chemical elements are chemically bonded together. Compounds have unique properties that are different from their individual constituent elements. 4. **Gas, Pure Substance (d)**: - **Diagram Description**: The diagram (d) displays a pure substance in the gaseous state, shown by clusters of spheres bonded together uniformly throughout. It suggests that the gas consists of individual molecules of a single compound. - **Educational Note**: In chemistry, a gas is one of the states of matter characterized by low density and viscosity, high compressibility, and the ability to expand and occupy any given space. A pure substance in the gaseous state consists of only one type of molecule. By examining these diagrams, students can better understand the basic classifications of matter: elements, mixtures, compounds, and pure substances, particularly gases.
Transcribed Image Text:**Classification of Matter** 1. **Element (a)**: - **Diagram Description**: The diagram (a) represents an element, depicted by a uniform array of identical spheres. This suggests that the substance is composed of only one type of atom, denoting a pure element. - **Educational Note**: In chemistry, an element is a pure substance consisting of only one type of atom. Elements cannot be broken down into simpler substances by chemical means. 2. **Mixture (b)**: - **Diagram Description**: The diagram (b) shows a mixture, illustrated by a collection of different molecules, each consisting of two red and one white parts. These variations imply that the substance is a combination of different compounds. - **Educational Note**: A mixture consists of two or more different substances that are not chemically bonded together. Each substance in a mixture retains its own chemical properties and can be physically separated from the others. 3. **Compound (c)**: - **Diagram Description**: The diagram (c) represents a compound, depicted by groups of spheres bonded together in a uniform pattern. Each cluster represents a molecule of the compound, showing consistent composition. - **Educational Note**: A compound is a substance formed when two or more chemical elements are chemically bonded together. Compounds have unique properties that are different from their individual constituent elements. 4. **Gas, Pure Substance (d)**: - **Diagram Description**: The diagram (d) displays a pure substance in the gaseous state, shown by clusters of spheres bonded together uniformly throughout. It suggests that the gas consists of individual molecules of a single compound. - **Educational Note**: In chemistry, a gas is one of the states of matter characterized by low density and viscosity, high compressibility, and the ability to expand and occupy any given space. A pure substance in the gaseous state consists of only one type of molecule. By examining these diagrams, students can better understand the basic classifications of matter: elements, mixtures, compounds, and pure substances, particularly gases.
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