Table 1-1 TABLE I-I Electronic Configurations of the Elements of the First and Second Rows Element Configuration Valence Electrons H 1 1 He 1s2 2 Li 1s22 1 Be 1w22x2 2 B 1s22s22p 3 C 1s2222p2 4 N 122p2p2p 5 0 1s22x22p22n2p 6 F 1s22s22p222p 7 Ne 1s2s2p:2p2p Chapter 1 6 Chapter 1 6 Table 1-1 =>