The fact that a beam of particles was deflected in the presence of an electric
or magnetic force led J. J. Thomson to conclude that the particles had a(n)

How many absorptions would you expect to observe in the 13c nmr spectra of the following molecules? a) 3-chloropentane b) cis-4-methyl-2-pentene

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.

Light waves can move through , but they travel fastest when they move through a(n) .