12, 17 , 22 (), 32A.14B.21C.27D.35
12, 17 , 22 (), 32
A.14
B.21
C.27
D.35
相关考题:
产生两条钠黄线的跃迁是: ()A.32P3/2→32S1/2 , 32P1/2→32S1/2B.3 2S1/2→32P1/2 , 32S1/2→32P3/2C.3 2D3/2→32P1/2, 32D5/2→32P3/2D.3 2D3/2→32P1/2 , 32D3/2→32P3/2
7、产生两条钠黄线的跃迁是: ()A.32P3/2→32S1/2 , 32P1/2→32S1/2B.3 2S1/2→32P1/2 , 32S1/2→32P3/2C.3 2D3/2→32P1/2, 32D5/2→32P3/2D.3 2D3/2→32P1/2 , 32D3/2→32P3/2
32的8倍是多少?列式是()。A.32+8B.32×8 C.32÷8D.32-8