Peak 1: 46.72 × 10^3 kJ/mol (relative height 2) Peak 2: 3.88 × 10^3 kJ/mol (relative height 2) Peak — Atomic Structure Chemistry Question

Peak 1: 46.72 × 10^3 kJ/mol (relative height 2)
Peak 2: 3.88 × 10^3 kJ/mol (relative height 2)
Peak 3: 1.68 × 10^3 kJ/mol (relative height 3)

[VISUAL]

The complete photoelectron spectrum of an unknown element is shown above. The frequency ranges of different regions of the electromagnetic spectrum are given in the table below.

| Region of Electromagnetic Spectrum | Frequency Range (s^−1) |
| --- | --- |
| Infrared (IR) | 1 × 10^12 to 4 × 10^14 |
| Ultraviolet/visible (UV/vis) | 4 × 10^14 to 5 × 10^16 |
| X-rays | 5 × 10^16 to 1 × 10^19 |
| Gamma rays | > 1 × 10^19 |