• 2022-05-30
    正则式a*b*对应的正则集是(
    )
    A: {anbn|n>0}
    B: {anbn|n≥0}
    C: {anbm|n≥1,m≥1}
    D: {anbm|n≥0,m≥0}
  • D

    内容

    • 0

      在下列六组量子数中,正确的是‏① n=3,l= 1,m=-1 ② n = 3,l= 0,m = 0‏ ③ n = 2,l= 2 ,m=-1 ④ n = 2, l = 1 ,m = 0‏‍ ⑤ n = 2,l = 0,m =-1 ⑥ n= 2,l = 3 , m= 2 ‏ A: ①、③、⑤ B: ②、④、⑥ C: ①、②、③ D: ①、②、④

    • 1

      下列量子数合理的是 。 A: n = 2,l = 0,m = 1 B: n = l,l = 1,m = 1 C: n = 2,l = 2,m = 2 D: n = 1,l = 0,m = 0

    • 2

      下列各组量子数中正确的是 A: n = 3,l = 1,m = -1 B: n = 2,l = 2,m = 0 C: n = 2,l = 0,m = -1 D: n = 2,l = 3,m = 0 E: n = 1,l = 2,m = 1 F: n = 4,l = 0,m =1

    • 3

      表述y(4dz2)的n、l、m是( )。 A: n=4,l=0,m=0; B: n=4,l=2,m=0; C: n=4,l=1,m=0; D: n=3,l=2,m=0。

    • 4

      下列量子数合理的是? n = 1,l = 0,m = 0|n = l,l = 1,m = 1|;n = 2,l = 0,m = 1 ‍|n = 2,l = 2,m = 2