Which are two types of stereoisomers?
a. geometric isomers and structural isomers
b. structural isomers and cyclic isomers
c. optical isomers and structural isomers
d. geometric isomers and optical isomers

Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?

Calculate the ph of a .10m nh4cl solution. the kb value for nh3 is 1.8×10^-5

In chemistry, the type of an atom (what element it is) is determined by: a) the number of protons it contains in its nucleus.b) the number of neutrons it contains in its nucleus.c) the number of protons it has in a cloud around the nucleus.d) the number of neutrons it has in a cloud around the nucleus.e) the number of electrons it exchanges with its neighbors.