Suppose a movie director is filming on a set that should look like a hot desert. He wants the scene to appear warmer, so that the red and yellow tones are the most apparent. What color filters should he use? What color will the blue sky appear when he uses those filters, and why

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.