Green light has a wavelength of approximately 4.9 x10^2 nm. what is the frequency of this light?

Hello thereone of the following properties was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version. which property fits this description? answer: atomic mass  was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.

Ibelieve the answer is d. titaniumhope my answer has you : )