How would the energy, wavelength and frequency of a photon released from an n=3 to n=1 electron transition compare to that of a photon released from an n=3 to n=2 transition?

True or false, the three major scales used to measure earthquakes are mercalli scale, richter scale and magnitude scale

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present

In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false