If we move through the group I elements from top to bottom we first encounter Lithium, Sodium and Potassium. If we move further which elements we will encounter in sequence ?

[A] Caesium, Calcium, Rubidium

[B] Rubidium, Caesium, Francium

[C] Rubidium, Caesium, Rhodium

[D] Magnesium, Rubidium, Francium

Answer & Explanation
Answer: Rubidium, Caesium, Francium

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