Input interpretation
period 2 elements | neutron cross-section
Summary
median | 0.02 b highest | 760 b (boron) lowest | 2.8×10^-4 b (oxygen)
Units
Ranked values
| | visual | ratios | 8 | oxygen | | 3.7×10^-7 | 1 7 | carbon | | 4.6×10^-6 | 13 6 | beryllium | | 1.2×10^-5 | 33 5 | fluorine | | 1.3×10^-5 | 34 4 | neon | | 5×10^-5 | 140 3 | nitrogen | | 0.0025 | 6800 2 | lithium | | 0.09 | 250000 1 | boron | | 1 | 2.7×10^6
Neutron cross-section rankings
1 | oxygen | 2.8×10^-4 b 2 | carbon | 0.0035 b 3 | beryllium | 0.0092 b 4 | fluorine | 0.0096 b 5 | neon | 0.04 b 6 | nitrogen | 1.91 b 7 | lithium | 71 b 8 | boron | 760 b
Unit conversions for median neutron cross-section 0.02 b
≈ 25 mb (millibarns)
≈ 2 fm^2 (square femtometers)
≈ 2×10^-30 m^2 (square meters)
Comparison for median neutron cross-section 0.02 b
≈ 40 × total (Rayleigh scattering) cross section of 500 nm light in air ( ≈ 7×10^-28 cm^2 )