Light‐emitting diodes

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Unformatted text preview: 0 5p3 Sb = [Kr] 5s2 4d10 5p3 (ell electrons past the preceding noble gases are shown) e. 1s2 2s2 2p6 3s2 3p6 4s2 3d5 f. Mn: manganese; [Ar] 4s2 3d5 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 g. 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d6 Ba: barium; [Xe] 6s2 Ru: ruthenium; [Kr] 5s2 4d6 6. Draw the orbital filling diagrams for valence electrons in b and g above: 7. Briefly discuss why a metal rod placed into a fire glows red. What color would it be if you continued to heat it above 12,000 K? Could you determine if the metal rod were iron, aluminum or titanium using the light that is being emitted? Why or why not? Bla...
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