Using the Periodic Table to Find Valence Electrons and Atomic Numbers
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Questions and Answers

Which aspect of everyday life is NOT mentioned as being influenced by the periodic table?

  • Transportation (correct)
  • Medicine
  • Technology
  • Nutrition
  • Which element from the periodic table is crucial for respiration?

  • Iron
  • Potassium
  • Oxygen (correct)
  • Silicon
  • What is the role of calcium in maintaining good health according to the text?

  • Improving eyesight
  • Strengthening bones (correct)
  • Boosting metabolism
  • Enhancing memory
  • Which element is commonly used in electrical wiring based on the information provided?

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

    How does the periodic table contribute to the development of technological devices?

    <p>By aiding in understanding element properties</p> Signup and view all the answers

    Why is knowledge of the periodic table important in medicine?

    <p>To understand how elements interact with the body</p> Signup and view all the answers

    How many valence electrons does an element in group 13 of the periodic table have?

    <p>3</p> Signup and view all the answers

    What information does the atomic number of an element represent?

    <p>The number of protons and electrons</p> Signup and view all the answers

    Where is the mass number of an element typically found in the periodic table?

    <p>Below the chemical symbol</p> Signup and view all the answers

    How is the chemical symbol of an element determined from the periodic table?

    <p>It is the first letter or two of the element's name</p> Signup and view all the answers

    In an electron dot diagram, what do the dots represent?

    <p>The number of valence electrons</p> Signup and view all the answers

    What is the maximum number of dots that can be drawn on one side of an element's symbol in an electron dot diagram?

    <p>2</p> Signup and view all the answers

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