Electron Configuration From PES Data
The photoelectron spectrum of an unknown element shows three peaks at binding energies of 1500 kJ/mol, 1000 kJ/mol, and 500 kJ/mol. The relative heights of these peaks are in a 2:3:1 ratio. Which of the following statements best describes a feature of this element’s electron configuration?
A
The element has three electrons in the 2s subshell.
B
The element has three electrons in the 1s subshell.
C
The element has two electrons in the 1s subshell.
D
The element has one electron in the 2p subshell.
Question Leaderboard
| Rank | |||||
|---|---|---|---|---|---|
| #1 | xxnoui | 1 | 1 | 1m 12s | 28 |
| #2 | thefunnies812 | 0 | 1 | 0m 00s | -10 |
| #3 | pookienamedyazie | 0 | 2 | 0m 00s | -20 |
| #4 | abigailramjas | 0 | 1 | 1m 25s | -95 |
Items per page:
10
1 – 4 of 4