Chapter 1 Section 1-2 Test

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  • 1/8 Questions

    A force of attraction between two atoms is a _____________.

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Chapter 1 Section 1-2 Test - Quiz
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Prentice Hall Science Explorer: Chemical Building Blocks
Chapter 1 Section 1-2 (Describing Matter and Measuring Matter)

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  • 2. 

    An example of a homogenous mixture and forms when substances dissolve is ________.

    Explanation
    A solution is an example of a homogenous mixture that forms when substances dissolve. In a solution, the solute particles are evenly distributed and dispersed throughout the solvent, resulting in a uniform composition. This occurs when the solute particles are small enough to mix evenly with the solvent particles. Solutions can be formed with various combinations of solutes and solvents, such as saltwater (solute: salt, solvent: water) or sugar dissolved in coffee (solute: sugar, solvent: coffee).

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  • 3. 

    The basic particle from which all elements are made are _____.

    Explanation
    Atoms are the fundamental building blocks of all elements. They are the smallest units of matter that retain the chemical properties of an element. Atoms combine together to form molecules and compounds, and different elements are distinguished by the number of protons in their atoms. Therefore, atoms can be considered as the basic particles from which all elements are made.

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  • 4. 

    What atoms and how many atoms are in H202

    • 1 hydrogen and 2 oxygen

    • 5 oxygen and 2 hydrgon

    • 2 carbon and 2 hydrogen

    • 2 hyrogen and 2 oxygen

    Correct Answer
    A. 2 hyrogen and 2 oxygen
    Explanation
    The correct answer is 2 hydrogen and 2 oxygen. This is because the chemical formula H202 represents hydrogen peroxide, which consists of two hydrogen atoms and two oxygen atoms.

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  • 5. 

    A single kind of matter that is pure and has a specific set of properties is a substance.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    A substance refers to a single kind of matter that is pure, meaning it consists of only one type of atom or molecule. It also has a specific set of properties that distinguish it from other substances. Therefore, the statement that a substance is a single kind of matter that is pure and has a specific set of properties is true.

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  • 6. 

    The study of the properties of the moon and how the moon changes is chemistry.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The study of the properties of the moon and how the moon changes is not chemistry. Chemistry is the branch of science that deals with the composition, structure, properties, and reactions of matter. The study of the moon and its changes falls under the domain of astronomy, which is the scientific study of celestial objects such as stars, planets, and moons. Therefore, the statement is false.

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  • 7. 

    What is the difference between a heterogeneous mixture and a homogeneous mixture?

  • 8. 

    What is the difference between a compound and a mixture?

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  • Mar 16, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 10, 2011
    Quiz Created by
    Marinebiogal17
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