8.90 eV is needed to ionize hydrogen's ground
state electron. Find the maximum wavelength for
a photon to ionize hydrogen in the ground state?

How do I solve this?

Why are the trends and exceptions to the trends in ionization energy observed?

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3

Essay-alternative energy sources research sources of energy that are being developed. write a report of 350-400 words discussing the information you learned concerning the development of various energy sources and the impact that you think they will have on your life. include sources cited at the end of your report using the mla format. follow the rubric guidelines. note that wikipedia is not an appropriate resource for a research paper. worth 99