Pre-AP Chemistry Midterm Assessment: Significant Figures
15 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the volume of the lead ball with a mass of 55.0 grams and a density of 11.4 g/cm3?

  • 4.82 L
  • 0.207 mL
  • 4.82 mL (correct)
  • 0.207 L
  • How many significant figures are in the number 0.027090?

  • 6
  • 5 (correct)
  • 7
  • 3
  • Which piece of glassware should be used when measuring a specific volume of liquid for a procedure?

  • Volumetric flask (correct)
  • Erlenmeyer flask
  • Graduated cylinder
  • Beaker
  • When rounding the number 2.348615 to 4 significant figures, what is the correct value?

    Signup and view all the answers

    Which of the following statements about matter is FALSE?

    <p>Matter can be converted into energy.</p> Signup and view all the answers

    Which of the following is NOT a good laboratory practice?

    <p>Smelling and tasting chemicals</p> Signup and view all the answers

    Which of the following statements about matter is NOT true?

    <p>Matter is smooth and continuous</p> Signup and view all the answers

    Which state of matter has indefinite shape and is compressible?

    <p>gas</p> Signup and view all the answers

    What is a pure substance?

    <p>composed of only one type of atom or molecule</p> Signup and view all the answers

    Which of the following statements about matter is FALSE?

    <p>All of the above statements are true</p> Signup and view all the answers

    If you hold a solid piece of pure gallium metal in your hand, and your body heat melts the gallium into its liquid form, this illustrates which of the following?

    <p>physical change</p> Signup and view all the answers

    Which of the following is NOT a technique that could be used to separate a mixture into its components?

    <p>stirring</p> Signup and view all the answers

    If a solid piece of shiny sodium metal is exposed to chlorine gas, a large amount of heat is released, and the white solid sodium chloride forms. Based on this information, which of the following statements is TRUE?

    <p>This process was exothermic</p> Signup and view all the answers

    What is the value of 27°C on the Kelvin temperature scale?

    <p>300</p> Signup and view all the answers

    Which statement below is NOT consistent with the nuclear theory of the atom as proposed by Rutherford?

    <p>Most of the volume of an atom consists of empty space through which the electrons move.</p> Signup and view all the answers

    More Like This

    Significant Figures chemistry
    33 questions
    CHEM 117 Significant Figures Quiz
    10 questions
    Temperature Scales & Significant Figures
    8 questions
    Use Quizgecko on...
    Browser
    Browser