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      Question

      Lanthanides and actinides are also called

      ___________.
      A Noble gases Correct Answer Incorrect Answer
      B Normal elements Correct Answer Incorrect Answer
      C Inner transition elements Correct Answer Incorrect Answer
      D Transition elements Correct Answer Incorrect Answer

      Solution

        Inner transition elements. • The f-block elements are termed inner transition elements. • Some characteristics of Transition elements are: • They are hard and have high densities. • They always form colored ions and compounds. • They have high melting and boiling points • They have more than one oxidation state.

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