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Chapter 8: Q50E (page 342)

Determine the expected valence of the element with atomic number 117.

Short Answer

Expert verified

The expected valence of the element with atomic number117is +7 or -1.

Step by step solution

01

Given data

The given data is an element with atomic number 117 .

02

Concept of Electronic configuration 

Electronic configuration, also called electronic structure, the arrangement of electrons in energy levels around an atomic nucleus.

03

Determine the element 

The unknown element 117 falls in the column of fluorine, chlorine, etc., in which the elements have a valence of -1.

Accordingly, we expect, by the periodicity of the periodic table that the valence of element 117 to is -1 .

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Most popular questions from this chapter

In its ground state, nitrogen's 2p electrons interact to produce jT=32. Given Hund's rule, how might the orbit at angular momenta of these three electrons combine?

A hydrogen atom in its ground state is subjected to an external magnetic field of 1.0 T. What is the energy difference between the spin-up and spin-down states?

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.3P3/2鈫�3s1/2and3P1/2鈫�3s1/2. 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?

Question: Early on, the lanthanides were found to be quite uncooperative when attempts were made to chemically separate them from one another. One reason can be seen in Figure 8.16. Explain.

Question: Bearing in mind its limiting cases of 1 and 2 mentioned in section 8.8, how would you describe the significance of the Lande g-factor
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