Description & History
se·le·ni·um (1818):
a nonmetallic element that resembles sulfur and tellurium chemically, is obtained chiefly as a by-product in copper refining, and is a photoconductive semiconductor in its crystalline form
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Element
| Symbol | Se |
| Z | 34 |
| Atomic Weight | 78.9599991 |
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| Density | 4.78999996 |
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Edge Energies
(keV)
| K | 12.658 |
|---|
| L1 | 1.653 |
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| L2 | 1.477 |
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| L3 | 1.43599999 |
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| M | 0.231999993 |
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| K-alpha | 11.2209997 |
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| K-beta | 12.4949999 |
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| L-alpha | 1.41900003 |
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| L-beta | 1.37899995 |
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Edge jumps
| K | 6.88230848 |
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| L1 | 1.1582489 |
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| L2 | 1.40999997 |
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| L3 | 4.58699989 |
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|
Fluorescence
yield
| K | 0.588999987 |
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| L1 | 0.00319999992 |
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| L2 | 0.231999993 |
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| L3 | 11.2209997 |
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