Solutions
- Page ID
- 11085
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| 1. | complete electronic configuration | abbreviated electronic config. | valence electrons |
| a) Fe | 1s22s22p63s23p64s23d6 | [Ar]4s23d6 | 2 |
| b) Er(aufbau) | 1s22s22p63s23p64s23d104p65s24d105p66s25d14f11 | [Xe]6s25d14f11 | 2 |
| (mnemonic) | 1s22s22p63s23p64s23d104p65s24d105p66s24f12 | [Xe]6s24f12 | 2 |
| c) Se | 1s22s22p63s23p64s23d104p4 | [Ar]4s23d104p4 | 6 |
| d) Cs | 1s22s22p63s23p64s23d104p65s24d105p66s1 | [Xe]6s1 | 1 |
| e) Ag | 1s22s22p63s23p64s23d104p65s14d10 | [Kr]5s14d10 | 1 |
2. Draw the complete energy level diagram for Mo and describe its magnetic properties.
3. Describe a possible set of quantum numbers for the 6th, 22nd, 44th and 80th electrons in mercury. Using the Aufbau Principle
6th - 2,1,0,+1/2
22nd - 3,2,1,+1/2
44th - 4,2,2,-1/2
80th - 5,2,-2,-1/2
4. Classify each of the following elements (based on their electronic configuration).
| As - Representative | Ru - Transition |
| Cu - Transition | Cm - Inner Transition |
5. Determine the electronic configuration and draw the expected orbital for each of the following sets of quantum numbers.
3,1,-1,+½ - 3p3 | 5,0,0,-½ - 5s2 |
| 2,1,0,+½ - 2p2 | 4,2,-2,-½ - 4d10 |