原子序数为29的元素,其原子核外电子排布应为()。
A: [Ar]1s12s22p63s23p6
B: [Ar]1s22s22p43s23p6
C: [Ar]1s22s22p63s23p6
D: [Ar]1s22s22p53s23p6
A: [Ar]1s12s22p63s23p6
B: [Ar]1s22s22p43s23p6
C: [Ar]1s22s22p63s23p6
D: [Ar]1s22s22p53s23p6
举一反三
- 电子组态1s2p所构成的原子态为( )。 A: 1s2p1S0,1s2p1P1, 1s2p3S1 1s2p3P2,1,0 B: 1s2p1S0,1s2p1P1 C: 1s2p1S0,1s2p3S1 D: 1s2p1P1,1s2p3P2,1,0
- 试判断原子态:1s1s3S1,1s2p3P2,1s2p1D1,2s2p3P2中,下面哪组是存在的? A: 1s1s3S1,1s2p3P2; B: 1s2p3P2,1s2p1D1; C: 1s2p3P2,2s2p3P2; D: 1s1s3S1,1s2p1D1;
- 高P/S值是指() A: P/S≥1 B: P/S≤1 C: P/S>1 D: P/S>0.5
- 试判断原子态:1s1s3S1,1s2p3P2,1s2p1D1,2s2p3P2中下列哪组是完全存在的() A: A B: B C: C D: D
- 对于文法G(S'),该文法识别活前缀的DFA如下图,状态I2包含的项目有G(S'):(0) S' → S(1) S → Pa(2) S → Pb(3) S → c(4) P → Pd(5) P → Se(6) P → f[img=3601x1590]1803958e6ecda94.png[/img] A: S → Pa B: S → Pb C: S → Pc D: S → Pd