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MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic Chemistrys- Block 3.0Group II Elements: Alkaline Earth Metals

Ground state valence shell electronic configuration of barium is

A.6s2✓ Correct

B.5s2

C.7s2

D.4s2

Explanation

Ground state valence shell electronic configuration of barium is 6s2 2 Ba Xe 6s

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