1. Valence electrons are the electrons in the outermost energy level of the atom. This concept applies to only certain atoms on the periodic table. Which atoms? Don't name them all! Tell me the general name... 2. How many valence electrons are in each of the following atoms? A. K B. Ge C. Te D. In E. F F. Br G. Xe . 1. O J. Si K. Sr L. Mg M. B N. N 0. AL P. Rb 3. Explain why all alkali metals make +1 cations. Be sure to talk about electron configurations! You might even want to give the electron configuration of the first three alkali metals