An electron whose orbital quantum number is 2 has the length of angular momentum ( ).
2.6×10-34 J·s
举一反三
- The maximum value of total angular momentum for electron with l=4 ( )
- In hydrogen atom the angular momentum of the electron in the lowest energy state ( )
- For a hydrogen atom in the 6f state, the minimum angle between the orbital angular momentum vector and the z axis is ( )
- What are the possible quantum numbers for the last (outermost) electron in S? A: n=3 B: l=1 or 2 C: ml=-1,0,1 D: ms=-1/2or1/2
- In the periodic table of elements, the number of elements in each period is exactly equal to the maximum number of electrons in the corresponding outermost electron layer.
内容
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The momentum of photons corresponding to the minimum wavelength emitted from x-ray tube whose operating voltage is 120 kV is ( )
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What has gained more momentum over the last decade?
- 2
The number of products supplied indicates the length of a channel.
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The number of can determine the chemical element. A: neutron B: electron C: atom D: proton
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Whose length is much longer than the other? A: C B: Resume.