¹²C(n,2n) ¹¹C info

Carbon
Nuclide Abundance Weight Spin Half-Life Decay Modes
C11         0.%              11.          1.5     20.3m b+
C12         98.892%     12.              0      Stable
C13         1.108%     13.0034      .5     Stable
C14         0.%              14.0032      0     5730y b-
C15         0.% 1             5.              .5      2.45s b-

Name: Carbon
Symbol: C
Group: Non-Metal
Crystal Structure: Hexagonal
Atomic number: 6
Atomic weight: 12.011
Shells: 2,4
Filling orbital: 2p2
Melt: 3500°C (Sublimes)
Boil: 4827°C
Electronegativity: 2.55
Covalent radius: 0.77 Å
Atomic radius: 0.91 Å
Atomic volume: 4.58 cm³/mol
First ionization potential: 11.260 V
2nd ionization potential: 24.383 V
3rd ionization potential: 47.887 V
Oxidation states: (±4),2
Density @ 293 K: 2.62 g/cm³
Specific heat: 0.71 J/gK
Heat of vaporization: 355.80 kJ/mol
Heat of fusion: ?
Electrical conductivity: 0.00061 10^6/cm ohm
Thermal conductivity: 1.29 W/cmK