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;
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;
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
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
39号元素钇的核外电子排布式是下列排布中的( ) A: 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 3 d 10 4 s 2 4 p 6 4 d 1 5 s 2 B: 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 3 d 10 4 s 2 4 p 6 5 s 2 5 p 1 C: 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 3 d 10 4 s 2 4 p 6 4 d 2 5 s 1 D: 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 3 d 10 4 s 2 4 p 6 5 s 2 5 p 1
39号元素钇的核外电子排布式是下列排布中的( ) A: 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 3 d 10 4 s 2 4 p 6 4 d 1 5 s 2 B: 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 3 d 10 4 s 2 4 p 6 5 s 2 5 p 1 C: 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 3 d 10 4 s 2 4 p 6 4 d 2 5 s 1 D: 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 3 d 10 4 s 2 4 p 6 5 s 2 5 p 1
假如集合 S={ 1, 2, 3, 4 },后面 5 个命题中,哪些是正确的?ⅰ) { {2} }⊆P(S),ⅱ) { 1, 3 }⊆P(S),ⅲ) { 1, 3 }∈P(S),ⅳ) { {2, 4} }⊆P(S),ⅴ) { 4 }⊆P(S)
假如集合 S={ 1, 2, 3, 4 },后面 5 个命题中,哪些是正确的?ⅰ) { {2} }⊆P(S),ⅱ) { 1, 3 }⊆P(S),ⅲ) { 1, 3 }∈P(S),ⅳ) { {2, 4} }⊆P(S),ⅴ) { 4 }⊆P(S)
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
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
6. 试判断原子态:1s1s3S1,1s2p3P2,1s2p1D1, 2s2p3P2中下列哪组是完全存在的?
6. 试判断原子态:1s1s3S1,1s2p3P2,1s2p1D1, 2s2p3P2中下列哪组是完全存在的?
P(A) = 1/2, P(B) = 1/3, P(B|A) = 2/3, 则P(A | B) = (
P(A) = 1/2, P(B) = 1/3, P(B|A) = 2/3, 则P(A | B) = (
求以下方程的根,可使用的命令有()。[img=138x39]1802f8c9169bc1b.jpg[/img] A: p=[2, 0, -3, 1];x=roots(p) B: p=[2, 0, -3, 1];a=compan(p); x=eig(a) C: p=[2, 0, -3, 1];n=3;a=diag(ones(n-1,1),-1);a(1, D: = -p(2:n+1)./p(1);eig(a) E: syms x; s=solve(2*x^3-3*x+1, x); x=eval(s)
求以下方程的根,可使用的命令有()。[img=138x39]1802f8c9169bc1b.jpg[/img] A: p=[2, 0, -3, 1];x=roots(p) B: p=[2, 0, -3, 1];a=compan(p); x=eig(a) C: p=[2, 0, -3, 1];n=3;a=diag(ones(n-1,1),-1);a(1, D: = -p(2:n+1)./p(1);eig(a) E: syms x; s=solve(2*x^3-3*x+1, x); x=eval(s)
NH4HS(s)和任意量的NH3(g)及H2S(g)达平衡时有( ) A: C=2,F(P)=2,¦=2; B: C=1,F(P)=2,¦=1; C: C=1,F(P)=3,¦=2; D: C=1,F(P)=2,¦=3。
NH4HS(s)和任意量的NH3(g)及H2S(g)达平衡时有( ) A: C=2,F(P)=2,¦=2; B: C=1,F(P)=2,¦=1; C: C=1,F(P)=3,¦=2; D: C=1,F(P)=2,¦=3。
NH4HS(s)和任意量的NH3(g)及H2S(g)达平衡时,有: ( ) A: C= 2,P = 2,F= 2 B: C= 1,P = 2,F= 1 C: C= 2,P = 3,F= 2 D: C= 3,P = 2,F= 3
NH4HS(s)和任意量的NH3(g)及H2S(g)达平衡时,有: ( ) A: C= 2,P = 2,F= 2 B: C= 1,P = 2,F= 1 C: C= 2,P = 3,F= 2 D: C= 3,P = 2,F= 3