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Ch.7 - Periodic Properties of the Elements
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All textbooksBrown 14th EditionCh.7 - Periodic Properties of the ElementsProblem 2

Chapter 7, Problem 2

Which of these spheres represents F, which represents Br, and which represents Br-?

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Hi everyone here, we have a question asking us to identify as a teen iodide and iodine from the given spheres. So first let's look at our periodic table trend. Atomic radiators increases going down into the left. And if we look at the periodic table, a statin is down from iodine. So a statin will be our first sphere, and our ions like iodide are larger than our atoms like iodine. So our second one will be iodide, And our last one will be iodine. And those are our final answers. Thank you for watching. Bye!
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Related Practice
Textbook Question

Moseley established the concept of atomic number by studying X rays emitted by the elements. The X rays emitted by some of the elements have the following wavelengths: Element Wavelength (pm) Ne 1461 Ca 335.8 Zn 143.5 Zr 78.6 Sn 49.1 (e) A particular element emits X rays with a wavelength of 98.0 pm. What element do you think it is?

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Textbook Question

Consider the Mg2+, Cl-, K+, and Se2- ions. The four spheres below represent these four ions, scaled according to ionic size. (b) In terms of size, between which of the spheres would you find the (i) Ca2+ and (ii) S2- ions?

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Textbook Question

In the following reaction

which sphere represents a metal and which represents a nonmetal?

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Textbook Question

Shown below is a qualitative diagram of the atomic orbital energies for an Na atom. The number of orbitals in each subshell is not shown.

(d) A sodium vapor lamp (Figure 7.23) operates by using electricity to excite the highest-energy electron to the next highest-energy level. Light is produced when the excited electron drops back to the lower level. Which two energy levels are involved in this process for the Na atom?

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