If 165.7 MJ/mol photon strike atoms of an unknown element and eject electrons with kinetic energies of 25.4 MJ/mol, what is the workfunction of the element?
What is the frequency of light attributed to the n=3 line in the Balmer transition (n=2) of hydrogen emission
Write four factors that enable scientists to provide electron coordinates (label completely an electron( in any orbital in any atom