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MEDIUMMCQ SINGLEJEE Advanced ChemistryInorganic Chemistrys- Block 3.0General

Which of the following does not belong to alkaline earth metal?

A.Sodium

B.Strontium

C.Francium✓ Correct

D.Calcium

Explanation

Out of Be, Sr, Fr and Ca, Fr has valence shell electronic configuration = ns1.

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