Multiple choice

Which of the following is the correct order of arrangement of elements in a period according to their metallic character?

  1. Na < Li < K < Cs < Rb

  2. Rb < Li < K < Na < Cs

  3. Li < Na < K < Rb < Cs

  4. Na < Li < Rb < Cs < K
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The correct order of arrangement of elements in a period according to their metallic character is Li < Na < K < Rb < Cs. As we go down a group, metallic character increases.

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