Periodic Table Basics
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Periodic Table Basics

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@CourteousLagoon

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Questions and Answers

What is the periodic table primarily used for?

  • Arranging chemical elements into rows and columns (correct)
  • Mapping out the locations of elements in the universe
  • Studying the behavior of subatomic particles
  • Describing the structure of the atom

    • What is the significance of elements in the same group in the periodic table?

  • They belong to the same period
  • They have different physical properties
  • They have similar chemical characteristics (correct)
  • They have identical atomic numbers

    • According to the periodic table, how does metallic character change across a period?

  • Decreases from left to right (correct)
  • Remains constant across a period
  • Decreases from top to bottom
  • Increases from left to right

    • Who formulated the first generally accepted periodic table?

    <p>Dmitri Mendeleev</p> Signup and view all the answers

    What fundamental discovery was recognized in the late 19th century related to the periodic table?

    <p>The periodic law</p> Signup and view all the answers

    Which of the following is true about the periodic table?

    <p>It arranges elements based on increasing atomic number</p> Signup and view all the answers

    What is the significance of the group number in the periodic table?

    <p>It represents the number of valence electrons in the element</p> Signup and view all the answers

    How does the metallic character change as you move from left to right across a period in the periodic table?

    <p>It decreases</p> Signup and view all the answers

    Which of the following is not a trend observed in the periodic table?

    <p>Increase in metallic character from top to bottom within a group</p> Signup and view all the answers

    What is the effect of increasing nuclear charge on the atomic radius of an element?

    <p>Atomic radius decreases due to increased nuclear attraction</p> Signup and view all the answers

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