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Question: As indicated to remove one of the helium’s electrons requires24.6eV of energy when orbiting -24.6eV? Why or why not?

Short Answer

Expert verified

Answer

No, the Energy of orbiting electron is not .-24.6 ev

Step by step solution

01

Introduction.

The energy required to remove one of the helium electrons is 24.6 ev .

When the electron is orbiting the nucleus, the interaction of each electron with the positive charge of the nucleus is partially shielded by the other electron. However, the first ionization energy is tile energy required to remove one electron, and leave the other experiencing the unshielded charge of the nucleus.

02

Conclusion.

Therefore, it should be different from the energy of each electron in orbit.

No, the Energy of orbiting electron is not -24.6eV.

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Most popular questions from this chapter

Using a beam of electrons accelerated in an X-ray tube, we wish to knock an electron out of the shell of given element in a target. Section \(7.8\) gives the energies in a hydrogen like atom as . Z2(-13.6eV/n2)Assume that for fairly high Z , aK-shell electron can be treated as orbiting the nucleus alone.

(a) A typical accelerating potential in an X-ray tube is50kV . In roughly how high aZcould a hole in the K -shell be produced?

(b) Could a hole be produced in elements of higher Z?

Your friends ask: “Why is there an exclusion principle?” Explain in the simplest terms.

Is intrinsic angular momentum "real" angular momentum? The famous Einstein-de Haas effect demonstrates it. Although it actually requires rather involved techniques and high precision, consider a simplified case. Suppose you have a cylinder 2cmin diameter hanging motionless from a thread connected at the very center of its circular top. A representative atom in the cylinder has atomic mass 60 and one electron free to respond to an external field. Initially, spin orientations are as likely to be up as down, but a strong magnetic field in the upward direction is suddenly applied, causing the magnetic moments of all free electrons to align with the field.

(a) Viewed from above, which way would the cylinder rotate?

(b) What would be the initial rotation rate?

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The Zeeman effect occurs in sodium just as in hydrogen-sodium's lone 3svalence electron behaves much as hydrogen's 1.5. Suppose sodium atoms are immersed in a0.1Tmagnetic field.

(a) Into how many levels is the3P1/2level split?

(b) Determine the energy spacing between these states.

(c) Into how many lines is the3P1/2to3s1/2spectral line split by the field?

(d) Describe quantitatively the spacing of these lines.

(e) The sodium doublet (589.0nmand589.6nm)is two spectral lines.3P3/23s1/2and3P1/23s1/2. which are split according to the two differentpossible spin-orbit energies in the 3Pstate (see Exercise 60). Determine the splitting of the sodium doublet (the energy difference between the two photons). How does it compare with the line splitting of part (d), and why?

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