Transition Metals and Inner Transition Metals
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Questions and Answers

What is a key characteristic that differentiates transition elements from non-transition elements?

  • Presence of partly filled d or f orbitals in their atoms (correct)
  • Greater reactivity with halogens
  • Lower electron affinity
  • Higher atomic mass
  • Which series of transition metals occupies the large middle section of the periodic table?

  • 3d, 4d, 5d, 6d (correct)
  • 5s, 6s, 7s
  • 1s, 2s, 2p, 3s
  • 4f, 5f, 6f
  • What is the general electronic configuration of the outer orbitals for transition elements in the d-block?

  • (n-1)d 1–10 ns 1–2 (correct)
  • (n-1)s 1–10 np 1–6
  • (n-1)d 6–10 ns 2–8
  • (n-1)p 1–6 ns 1–4
  • Which of the following is an example of an inner transition metal?

    <p>Thorium (Th)</p> Signup and view all the answers

    Why are precious metals like silver, gold, and platinum considered part of the transition metals series?

    <p>Due to their electronic configurations</p> Signup and view all the answers

    What distinguishes transition elements from non-transition elements based on their electronic configuration?

    <p>Partially filled d or f orbitals</p> Signup and view all the answers

    Which of the following is a key focus in studying the transition elements?

    <p>Comparative account of lanthanoids and actinoids</p> Signup and view all the answers

    What is the general electronic configuration of outer orbitals for transition elements in the d-block?

    <p>(n-1)d 1– 10 ns 1–2</p> Signup and view all the answers

    Which series of transition metals occupies the middle section of the periodic table?

    <p>d-block</p> Signup and view all the answers

    Which type of elements are proving to be excellent sources of nuclear energy in modern times?

    <p>Inner transition elements</p> Signup and view all the answers

    Which series of elements in the periodic table have 4 f and 5 f orbitals that are progressively filled?

    <p>f-block series</p> Signup and view all the answers

    Why are zinc, cadmium, and mercury not regarded as transition metals?

    <p>They have a full d 10 configuration in their ground state and common oxidation states.</p> Signup and view all the answers

    What is the key difference between transition metals and inner transition metals?

    <p>Transition metals have incomplete d subshell, while inner transition metals do not.</p> Signup and view all the answers

    Why were transition metals originally named 'transition metals'?

    <p>Due to their position between s and p-block elements in the periodic table.</p> Signup and view all the answers

    Which group of elements is known as lanthanoids and actinoids?

    <p>4f and 5f series</p> Signup and view all the answers

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