Bulagahahaviz Bulagahahaviz Science Answered Lithium has the electronic configuration of 1s2 2s1. Which equation shows when lithium gives its electron to become lithium ion? A. Li + 2e- ---> Li2+ B. Li---> Li1+ + 1 e- C.Li1+ ---> Li + 1 e- D. Li 2+ ---> Li2+ + 2e-