Measurement and Significant Figures Quiz
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Questions and Answers

Which property describes the ability of a substance to undergo a change that transforms it into a different substance?

  • Chemical property (correct)
  • Molecular property
  • Physical property
  • Elemental property

    • If an element has 6 protons, 6 neutrons, and 6 electrons, what is the atomic number of this element?

  • 24
  • 6 (correct)
  • 18
  • 12

    • What is the name and symbol of the element with atomic number 79?

  • Lead, Pb
  • Gold, Au (correct)
  • Mercury, Hg
  • Silver, Si

    • When calculating the average atomic weight, which factor is more important to consider for each isotope of an element?

    <p>Relative abundance</p> Signup and view all the answers

    What does the term 'dimensional analysis setup' refer to in chemistry?

    <p>Converting units in mathematical operations</p> Signup and view all the answers

    What is the correct way to express the number 0.00345 in scientific notation?

    <p>$3.45 \times 10^{-5}$</p> Signup and view all the answers

    Which of the following statements best describes a physical property of an element?

    <p>The density of the element in solid form at room temperature</p> Signup and view all the answers

    If an element has 11 protons, 12 neutrons, and 10 electrons, what is the symbol of this element?

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

    What is the correct number of significant figures in the measurement 400.0 g?

    <p>4</p> Signup and view all the answers

    Which of the following elements has the highest atomic number?

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

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