AP Chemistrymediummcq1 pt
Which pair of elements forms a bond with the most covalent character?
A.C and Cl
B.Na and F
C.Mg and O
D.K and Br
Explanation
Core Concept
Covalent character is greatest when electronegativities are close. Carbon (2.5) and chlorine (3.0) differ by only 0.5, keeping C–Cl firmly covalent with mild polarity.
Correct Answer
AC and Cl
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