Multiple choice

Arrange the following elements in increasing order of atomic size.

Rb, Cs, Li, Na, K

  1. Na < K < Rb < Li < Cs

  2. Cs < Rb < K < Na < Li

  3. K < Na < Cs < Rb < Li

  4. Li < Na < K < Rb < Cs

  5. K < Rb < Cs < Na
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Atomic size of an element increases as we move from top to bottom in the periodic table.

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