The strength of a covalent bond depends upon the size of the atoms and the bond order. In general short bonds are strong bonds. For each pair of covalently bonded atoms, choose the one expected to have the higher bond energy. (A) C-O (B) C≡O ...... (A,B) fill in the blank 1 (C) C-C (D) C=C ...... (C,D) fill in the blank 2

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