Transition and Inner Transition Elements Quiz
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Questions and Answers

Which orbitals are progressively filled in the d-block elements?

  • f orbitals
  • d orbitals (correct)
  • p orbitals
  • s orbitals

Which group of elements are proving excellent sources of nuclear energy in modern times?

  • Group 3-12 elements
  • Inner transition elements (correct)
  • Transition elements
  • Actinoids

Which elements are placed in a separate panel at the bottom of the periodic table?

  • Actinoids
  • Transition elements
  • Lanthanoids
  • Inner transition elements (correct)

Which elements are among the transition elements that have played important roles in the development of human civilization?

<p>Iron, copper, silver, and gold (C)</p> Signup and view all the answers

Which elements have 4 f and 5 f orbitals that are progressively filled?

<p>f-block elements (D)</p> Signup and view all the answers

Which statement best describes the electronic configurations of the transition elements?

<p>The d-orbitals are progressively filled in each of the four long periods. (C)</p> Signup and view all the answers

Which of the following is a key feature of the d-block elements in the periodic table?

<p>Their oxidation states have relative stability in terms of electrode potential values. (A)</p> Signup and view all the answers

What distinguishes the inner transition elements such as Th, Pa, and U from other elements?

<p>They are proving excellent sources of nuclear energy in modern times. (A)</p> Signup and view all the answers

What is a characteristic of the f-block elements in the periodic table?

<p>They have 4 f and 5 f orbitals that are progressively filled. (A)</p> Signup and view all the answers

What feature sets iron, copper, silver, and gold apart from other elements?

<p>Their oxidation states have relative stability in terms of electrode potential values. (C)</p> Signup and view all the answers

Which of the following best describes the general horizontal and group trends in the d-block elements?

<p>Decrease in atomic radius and increase in ionization energy (C)</p> Signup and view all the answers

Which of the following compounds is used as an oxidizing agent and has a deep purple color?

<p>KMnO4 (B)</p> Signup and view all the answers

What is a characteristic feature of the lanthanoids and actinoids with respect to their electronic configurations?

<p>They exhibit variable oxidation states (C)</p> Signup and view all the answers

Which of the following best represents the preparation, properties, structures, and uses of the compound K2Cr2O7?

<p>It is a powerful oxidizing agent commonly used in organic chemistry (B)</p> Signup and view all the answers

What distinguishes the inner transition elements such as Th, Pa, and U from other elements?

<p>They are radioactive with unstable nuclei (D)</p> Signup and view all the answers

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