Answer To Electron Configuration Homework

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Answers are in the form {Element symbol(s), # of electrons}, Electron configuration, (# of valence electron)
1. (Be 4e-) 1s2 2s2

2. (Al 13ve-) 1s2 2s2 2p6 3s2 3px1 3py0 3pz0

3. (Na 11e-) 1s2 2s2 2p6 3s1

4. (Ar 18e-) 1s2 2s2 2p6 3s2 3px2 3py2 3pz2

5. (Ca 20e-) 1s2 2s2 2p6 3s2 3p6 4s2

6. (O 8e-) 1s2 2s2 2px2 2py1 2pz1

7. (Ra 88e-) 1s2 2s2 2p6 3s2 3p6 4s23d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2

8. (Pb 82e-) 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6px1 6py1 6pz0

9. (Zn 30e-) 1s2 2s2 2p6 3s2 3p6 4s2 3d2 3d2 3d2 3d2 3d2

10. (Fe 26e-) 1s2 2s2 2p6 3s2 3p6 4s2 3d2 3d1 3d1 3d1 3d1

# of valence electrons
1. 2ve-
2. 3ve-
3. 1ve-
4. 8ve-
5. 2ve-
6. 6ve-
7. 2ve-
8. 4ve-
9. NA
10. NA

















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Edited October 28, 2013 12:59 pm (diff)
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