Which element belongs to Group 2?
ARubidium
BCaesium
CFrancium
DStrontium
Answer & Solution
Correct answer: D. Strontium
1. Group 2 runs beryllium, magnesium, calcium, strontium, barium, radium.
2. Rubidium, caesium and francium sit in Group 1.
3. So strontium is the Group 2 member.
_Source: NCERT Class 11 Chemistry Part II, Unit 10, The s-Block Elements._
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