X-ray Data for the Elements

Select Element for X-ray Properties

H

B

C

N

O

F

P

S

K

Y

I

W

U

**Atomic Data for He**
Property	Value
Atomic Number:	2
Atomic Mass:	4.0026
Density (gm / cm^3):	0.0001786
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**X-ray absorption edges for He**
Edge	Energy (eV)	Width (eV)	Fluorescence Yield	Edge Jump
K	24.6	0.027	0.00000	1.000

**X-ray fluorescence lines for He**
Line	Energy (eV)	Intensity