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) (A)</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 (B)</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 (D)</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 (C)</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 (D)</p> Signup and view all the answers

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

<p>d-block (C)</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 (D)</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 (D)</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. (C)</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. (B)</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. (D)</p> Signup and view all the answers

Which group of elements is known as lanthanoids and actinoids?

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

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