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Periodic Table of Elements

Sorted by Cross Section (Thermal Neutron Capture)

	Name	Sym	#
0.00019 σ_a/barns	Oxygen	O	8
0.0035 σ_a/barns	Carbon	C	6
0.007 σ_a/barns	Helium	He	2
0.0092 σ_a/barns	Beryllium	Be	4
0.0096 σ_a/barns	Fluorine	F	9
0.03 σ_a/barns	Polonium	Po	84
0.034 σ_a/barns	Bismuth	Bi	83
0.04 σ_a/barns	Neon	Ne	10
0.063 σ_a/barns	Magnesium	Mg	12
0.171 σ_a/barns	Lead	Pb	82
0.171 σ_a/barns	Silicon	Si	14
0.172 σ_a/barns	Phosphorus	P	15
0.184 σ_a/barns	Zirconium	Zr	40
0.232 σ_a/barns	Aluminum	Al	13
0.3326 σ_a/barns	Hydrogen	H	1
0.38 σ_a/barns	Rubidium	Rb	37
0.43 σ_a/barns	Calcium	Ca	20
0.53 σ_a/barns	Sulfur	S	16
0.53 σ_a/barns	Sodium	Na	11
0.6 σ_a/barns	Cerium	Ce	58
0.626 σ_a/barns	Tin	Sn	50
0.675 σ_a/barns	Argon	Ar	18
0.72 σ_a/barns	Radon	Rn	86
0.96 σ_a/barns	Platinum	Pt	78
1.11 σ_a/barns	Zinc	Zn	30
1.15 σ_a/barns	Niobium	Nb	41
1.28 σ_a/barns	Yttrium	Y	39
1.28 σ_a/barns	Strontium	Sr	38
1.3 σ_a/barns	Barium	Ba	56
1.91 σ_a/barns	Nitrogen	N	7
2.1 σ_a/barns	Potassium	K	19
2.2 σ_a/barns	Germanium	Ge	32
2.56 σ_a/barns	Ruthenium	Ru	44
2.56 σ_a/barns	Iron	Fe	26
2.6 σ_a/barns	Molybdenum	Mo	42
2.9 σ_a/barns	Gallium	Ga	31
3.1 σ_a/barns	Chromium	Cr	24
3.43 σ_a/barns	Thallium	Tl	81
3.78 σ_a/barns	Copper	Cu	29
4.3 σ_a/barns	Arsenic	As	33
4.49 σ_a/barns	Nickel	Ni	28
4.7 σ_a/barns	Tellurium	Te	52
4.91 σ_a/barns	Antimony	Sb	51
5.08 σ_a/barns	Vanadium	V	23
6.09 σ_a/barns	Titanium	Ti	22
6.2 σ_a/barns	Iodine	I	53
6.8 σ_a/barns	Bromine	Br	35
6.9 σ_a/barns	Palladium	Pd	46
7.37 σ_a/barns	Thorium	Th	90
7.57 σ_a/barns	Uranium	U	92
8.98 σ_a/barns	Lanthanum	La	57
11.5 σ_a/barns ±0.5	Praseodymium	Pr	59
11.7 σ_a/barns	Selenium	Se	34
12.8 σ_a/barns	Radium	Ra	88
13.3 σ_a/barns	Manganese	Mn	25
15 σ_a/barns	Osmium	Os	76
18.3 σ_a/barns	Tungsten	W	74
20 σ_a/barns	Technetium	Tc	43
20.6 σ_a/barns	Tantalum	Ta	73
23.4 σ_a/barns	Terbium	Tb	65
23.9 σ_a/barns	Xenon	Xe	54
25 σ_a/barns	Krypton	Kr	36
27.2 σ_a/barns	Scandium	Sc	21
29 σ_a/barns	Cesium	Cs	55
34.8 σ_a/barns	Ytterbium	Yb	70
35.5 σ_a/barns	Chlorine	Cl	17
37.2 σ_a/barns	Cobalt	Co	27
49 σ_a/barns	Neodymium	Nd	60
63.6 σ_a/barns	Silver	Ag	47
65 σ_a/barns	Holmium	Ho	67
70.5 σ_a/barns	Lithium	Li	3
75.3 σ_a/barns	Americium	Am	95
79 σ_a/barns	Curium	Cm	96
84 σ_a/barns	Lutetium	Lu	71
89.7 σ_a/barns	Rhenium	Re	75
98.7 σ_a/barns	Gold	Au	79
100 σ_a/barns	Thulium	Tm	69
104 σ_a/barns	Hafnium	Hf	72
144.8 σ_a/barns	Rhodium	Rh	45
160 σ_a/barns	Einsteinium	Es	99
160 σ_a/barns	Erbium	Er	68
168.4 σ_a/barns	Promethium	Pm	61
180 σ_a/barns	Neptunium	Np	93
194 σ_a/barns	Indium	In	49
200.6 σ_a/barns	Protactinium	Pa	91
374 σ_a/barns	Mercury	Hg	80
425 σ_a/barns	Iridium	Ir	77
515 σ_a/barns	Actinium	Ac	89
710 σ_a/barns	Berkelium	Bk	97
767 σ_a/barns	Boron	B	5
920 σ_a/barns	Dysprosium	Dy	66
1017.3 σ_a/barns	Plutonium	Pu	94
2450 σ_a/barns	Cadmium	Cd	48
2900 σ_a/barns	Californium	Cf	98
4600 σ_a/barns	Europium	Eu	63
5800 σ_a/barns	Fermium	Fm	100
5922 σ_a/barns	Samarium	Sm	62
49000 σ_a/barns	Gadolinium	Gd	64

[Last Updated: 2/22/2007]

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Kenneth Barbalace. Periodic Table of Elements - Sorted by Cross Section (Thermal Neutron Capture). EnvironmentalChemistry.com. 1995 - 2024. Accessed on-line: 11/21/2024
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