Question

The ground-state electron configurations listed here are incorrect. Explain what mistakes have been made in each and write the correct electron configurations.
Al: 1s22s22p43s23p3
B: 1s22s22p5
F: 1s22s22p6

Answer 1

Explanation:

write the correct electron configurations.

Al: 1s22s22p43s23p31s

2

2s

2

2p

4

3s

2

3p

3

B: 1s22s22p51s

2

2s

2

2p

5

F: 1s22s22p61s

2

2s

2

2p

6