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This song explains how electrons are ordered in principal energy levels, sublevels and orbitals and how to fill in the electrons in an electron configuration. Music and lyrics copyright 2007 by Mark Rosengarten. All rights reserved. Lyrics: The first energy level is really small It hardly has room for electrons at all An s sublevel is all there is With 2 electrons that constantly whiz 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3-d-10! A little bit larger, the second shell Two sublevels therein do dwell An s sublevel that maxes at two And six for ap, if thats OK with you! 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3-d-10! The third shell is even larger still An s and ap top the bill A d sublevel is added on top 10 electrons can fit at a pop! 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3-d-10! The fourth shell is the largest yet An s and ap and ad, I bet An f sublevel is also seen How many electrons? Up to fourteen! 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3-d-10! 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3-d-10! Why does 4s fill up before 3d? Because the 4th shells enormous, you see Overlap 4s has less energy Than the supposedly lower 3d! 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3-d-10! The overlaps increase in frequency 4f fills up way after 5p Keep track of the overlaps, really cool You gotta use the diagonal rule! 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3-d-10! I cant wait, just tell me when Count em all up, and lets start again! One sublevel fills and the next can start Electron config is something that I heart! 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3-d-10! |
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