Some single displacement reactions involve one halogen replacing a less reactive halogen.
Cl2, replaces iodine in Nal, producing I2and NaCl. Write the balanced single displacement reaction with the simplest
whole number coefficients.
• Do not include the states of the reactants or products.

13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.