How many valence electrons does lithium have?
Answer: Lithium has 1 valence electron.
Explanation: Valence electrons are the electrons present in the outermost energy level (shell) of an atom. Lithium (Li), with an atomic number of 3, has an electron configuration of 1s2 2s1. In this configuration, the 2s subshell contains 1 electron, which is the valence electron. Read More…