PLEASE HELP ME!! Identify which is the true statement about polar and nonpolar molecules. Explain why.

A. polar molecules always have nonpolar bonds.

B. Non polar molecules always have polar bonds.

C. Nonpolar molecules can have polar bonds.

D. Polar molecules never have polar bonds.

Determine the wavelength of the light absorbed when an electron in a hydrogen atom makes a transition from an orbital in the n=3 level to an orbital in the n=7 level.

Which statement would indicate the presence of an acid

When the ionic compound nabr dissolves in water, br– ions are pulled into solution by the attraction between what two particles? a. the na+ and br– ions b. the na+ ion and the negative end of a water molecule c. the br– ion and the positive end of a water molecule d. the br– ion and the negative end of a water molecule