Periodicity in the Periodic Table
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Periodicity in the Periodic Table

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Questions and Answers

What is the primary purpose of periodicity in the periodic table?

  • To arrange elements in a chronological order
  • To identify the relationships between elements
  • To classify elements based on their chemical properties
  • To predict the physical and chemical properties of elements (correct)

    • What is the periodic law primarily based on?

  • Valence electrons of elements
  • Atomic number of elements (correct)
  • Atomic mass of elements
  • Electron configuration of elements

    • What is the arrangement of elements in the periodic table based on?

  • Increasing atomic mass
  • Valence electrons of elements
  • Similar chemical properties (correct)
  • Decreasing atomic number

    • What is the importance of the periodic law in research?

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

    How many periods are there in the periodic table?

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

    What can be predicted using the periodic law?

    <p>Existence of undiscovered elements</p> Signup and view all the answers

    What is the primary way in which elements are organized in the periodic table?

    <p>By increasing atomic number</p> Signup and view all the answers

    What determines the electron configuration and type of sub shell being filled in an element?

    <p>The position of an element in the periodic table</p> Signup and view all the answers

    What is the term for the elements in the d-block of the periodic table?

    <p>Transition metals</p> Signup and view all the answers

    What is the term for the 14 radioactive elements at the bottom of the periodic table?

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

    What is the significance of the atomic number of an element?

    <p>It represents the number of protons in the nucleus of an atom</p> Signup and view all the answers

    What is the purpose of the periodic table?

    <p>To provide a visual representation of the relationships among elements</p> Signup and view all the answers

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