某组态的光谱支项为3D3，3D2，3D1；1D2，这些光谱支项能级顺序为A. 3D3>3D2>3D1> 1D2 B. 3D1> 3D3>1D2>3D2 C. 3D2>3D1>3D3> 1D2 D. 1D2>3D3>3D2>3D1
A: 3D3>3D2>3D1> 1D2
B: 3D1> 3D3>1D2>3D2
C: 3D1> 3D3>1D2>3D2
D: 1D2>3D3>3D2>3D1
A: 3D3>3D2>3D1> 1D2
B: 3D1> 3D3>1D2>3D2
C: 3D1> 3D3>1D2>3D2
D: 1D2>3D3>3D2>3D1
举一反三
- 下面化合物的熔点高低次序是：（ ） A: (1)>(3)>(2) B: (3)>(2)>(1) C: (1)>(2)>(3) D: (3)>(1)>(2)
- (1)环丁酮，(2)环戊酮，(3)3-戊酮在用氢化物还原时，活性次序为： A: (3)>(1)>(2) B: (3)>(2)>(1) C: (2)>(1)>(3) D: (1)>(2)>(3)
- 下列碳正离子的稳定性顺序是：（ ） A: (1) > (2) > (3) > (4) B: (2) > (4) > (3) > (1) C: (1) > (3) > (2) > (4) D: (2) > (4) > (1) > (3)
- 下列化合物按碱性由强到弱排列的次序为()。(1) CH3CH2ONa (2) (CH3)3CCH2ONa (3) CF3CH2ONa A: (1)>(2)>(3) B: (3)>(1)>(2) C: (2)>(1)>(3) D: (1)>(3)>(2)
- 下列物质(1) CaO;(2) MgO;(3) NH3;(4) PH3熔点由高到低的顺序为:( ) A: (1) > (2) > (3) > (4) B: (1) > (2 ) > (4 ) > (3) C: (2) > (1) > (4) > (3) D: (2 ) > (1) > (3 ) > (4 )