一：1到30号元素价层电子排布式 H:1s1; He:1s2; Li:2s1; Be:2s2; B:2s2p1; C:2s22p2; N:2s22p3; O:2s22o4; F:2s22p5; Ne:2s2sp6; Na:3s1; Mg:3...