We’re being asked to identify the element pair with the most polar bond. This is the bond with the largest dipole moment.
Recall that dipole moment refers to the electronegativity difference in a bond/molecule. This means the molecule with the largest dipole moment has the largest electronegativity difference.
Which pair of atoms forms the most polar bond?
a) Si and F
b) Si and Cl
c) P and Cl
d) P and F
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What scientific concept do you need to know in order to solve this problem?
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