g what is a true statement about lewis acids and bases? c,o (a) a lewis acid must have a nonbonding (lone) pair of electrons. (b) a lewis base must have a nonbonding (lone) pair of electrons. (c) in a lewis acid-base reaction, a pair of electrons is donated from the acid to the base. (d) in a lewis acid-base reaction, one species always goes from having a charge to being electronically neutral.