NEET Chemistry The s-Block Elements Questions Solved

The boiling point of calcium is abnormally high as compared to barium because-

(A) In calcium d-orbital forms weak metallic bond

(B) In calcium p-orbital forms weak metallic bond

(C) In calcium d-orbital forms strong metallic bond

(D) In calcium s-orbital forms strong metallic bond

(C). The electronic configuration of calcium is 2, 8, 8, 2. As such due to empty d-orbital calcium forms strong metallic bond. Hence its boiling point is high.

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