Tin (Sn)

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Practice tin

Questions from the course about tin. If you’re signed in, your answers count toward your progress.

1. Question 1Ground-state electron configurationChallenging

   Which is the ground-state electron configuration of a neutral tin atom ($\ce{Sn}$)?

   A$[\mathrm{Kr}]\,5s^{2}\,4d^{10}\,5p^{2}$B$[\mathrm{Kr}]\,5s^{2}\,4d^{10}\,5p^{1}$C$[\mathrm{Kr}]\,5s^{2}\,5p^{2}$D$[\mathrm{Kr}]\,5s^{2}\,4d^{10}\,5p^{3}$

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2. Question 2Electron configuration of an ionChallenging

   Which is the ground-state electron configuration of $\ce{Sn^2+}$?

   A$[\mathrm{Kr}]\,5s^{2}\,4d^{10}\,5p^{2}$B$[\mathrm{Kr}]\,4d^{10}\,5p^{2}$C$[\mathrm{Kr}]\,5s^{2}\,4d^{10}\,5p^{4}$D$[\mathrm{Kr}]\,5s^{2}\,4d^{10}$

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3. Question 3Compare two elements and explainExam level

   Which element has the higher first ionization energy, $\ce{In}$ or $\ce{Sn}$, and why?

   AIn: first ionization energy decreases from left to right across a period.BIn: it has fewer valence electrons, so each one is held more tightly.CSn: it has more occupied electron shells.DSn: it has a larger effective nuclear charge on valence electrons in the same shell (n = 5), so its valence electrons are held more tightly.

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