Multiple choice

Which of the following statements is FALSE regarding f-block elements?

  1. General electronic configuration of f block elements is (n - 2)f1-14 (n - 1)d0-1 ns2.

  2. The actinides generally have lower ionization enthalpies than lanthanides.

  3. Lanthanides are silvery white metals because of f-f transition.

  4. All lanthanides are non-radioactive.

  5. Uranium belongs to the actinides.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

All lanthanides are non-radioactive except promethium.

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