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Write the electron configurations for As (33), Sb (51)

Write the electron configurations for As (33), Sb (51). 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 10 4p 3 = As. 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 10 4p 6 5s 2 4d 10 4p 3 = Sb. Write the outer electrons in the proper places in this chart. 1s 1. 2p 1 …. 2s 1. 2s 2. 3s 1. 3s 2. 3d 1. 3d 2 ….

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Write the electron configurations for As (33), Sb (51)

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  1. Write the electron configurations for As (33), Sb (51) 1s22s22p63s23p64s2 3d104p3 = As 1s22s22p63s23p64s2 3d104p65s24d104p3 = Sb

  2. Write the outer electrons in the proper places in this chart. 1s1 2p1… 2s1 2s2 3s1 3s2 3d1 3d2… 4s1 4s2 5s2 4d1 5s1 6s1 6s2 5d1 7s2 6d1 7s1 ns1 ns2….

  3. Li = 3 Li Be = 4 Be Dot Diagrams • Lithium (3) and Beryllium (4) 2s 1s http://www.pbs.org/wgbh/nova/kaboom/elemental/ Periodic table and fireworks

  4. F = 9 F N = 7 N B= 5 B O = 8 O Ne = 10 Ne C = 6 C First Energy Level 2nd Energy Level 2s 1s 2p

  5. H Li Na K Rb Cs Fr 1s1 s1 one dot! 1s22s1 1s22s22p63s1 1s22s22p63s23p64s1 1s22s22p63s23p64s23d104p65s1 1s22s22p63s23p64s23d104p65s24d105p66s1 1s22s22p63s23p64s23d104p65s24d105p66s24f145d106p67s1

  6. He Be Mg Ca Sr Ba Ra 1s2 s2 Two dots! 1s22s2 1s22s22p63s2 1s22s22p63s23p64s2 1s22s22p63s23p64s23d104p65s2 1s22s22p63s23p64s23d104p65s24d105p66s24f145d106p66s2 1s22s22p63s23p64s23d104p65s24d105p66s24f145d106p6….7s2

  7. B Al Ga In Tl s2p1 three dots

  8. C Si Ge Sn Pb s2p2 4 dots! s2p3 5 dots!

  9. 7 dots 8 dots O S Se Te Po s2p4 6 dots

  10. [Ar] indicates a short cut for the electron configuration of argon. Ca = [Ar]4s2

  11. E = h  = c / E = hc/ E = (6.6 x 10-34Jsec)(3.0x108m/sec) nm (10-9m/nm) Exponents: -34 + 8 –(-9) = -34 +8 + 9 =-17 6.6 x 3 = 19.8 • For violet light,400 nm, E =: • 1.9 x 10-16   • 1.9 x 10-16  400= 4.8 x 10-19 Joules 19.8 x 10-17 = 1.98 x 10-16

  12. E = h  = c / E = hc/ E = (6.6 x 10-34Jsec)(3.0x108m/sec) nm (10-9m/nm) Exponents: -34 + 8 –(-9) = -34 +8 + 9 =-17 6.6 x 3 = 19.8 • For red light,700 nm, E =: • 1.9 x 10-16   • 1.9 x 10-16  700 = 2.7 x 10-19 Joules

  13. You should now be able to complete the homework for this Chapter!

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