Electron Configurations Worksheet Page 3
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8Model 2 – Ground State Orbital Diagrams and Electron Configurations
3p
3p
3p
3s
3s
3s
2p
2p
2p
2s
2s
2s
1s
1s
1s
Hydrogen
Carbon
Oxygen
1
2
2
2
2
2
4
1s
1s
2s
2p
1s
2s
2p
3p
3p
3p
3s
3s
3s
3s
2p
2p
2p
2s
2s
2s
1s
1s
1s
Sodium
Aluminum
Phosphorus
2
2
6
1
2
2
6
2
1
2
2
6
2
3
1s
2s
2p
3s
1s
2s
2p
3s
3p
1s
2s
2p
3s
3p
6. Examine the orbital diagrams and electron configurations in Model 2. Match each symbol below
with its meaning.
____a.
I. Single electron
____b.
II. Pair of electrons with opposite spins
____c.
III. Atomic orbital (region of space where an electron is likely to be found)
____d.
IV. Sublevel (set of orbitals having equivalent energy)
____e. 1s
2
2s
2
2p
4
V. Electron configuration
Electron Configuration
3
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